CN108863080A - The preparation method of the porcelain insulator glaze of positive temperature coefficient - Google Patents
The preparation method of the porcelain insulator glaze of positive temperature coefficient Download PDFInfo
- Publication number
- CN108863080A CN108863080A CN201810912105.2A CN201810912105A CN108863080A CN 108863080 A CN108863080 A CN 108863080A CN 201810912105 A CN201810912105 A CN 201810912105A CN 108863080 A CN108863080 A CN 108863080A
- Authority
- CN
- China
- Prior art keywords
- parts
- glaze
- porcelain insulator
- preparation
- temperature coefficient
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
- C03C8/14—Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill-additions
- C03C8/20—Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill-additions containing titanium compounds; containing zirconium compounds
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
- C03C1/04—Opacifiers, e.g. fluorides or phosphates; Pigments
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
- C03C8/02—Frit compositions, i.e. in a powdered or comminuted form
- C03C8/06—Frit compositions, i.e. in a powdered or comminuted form containing halogen
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
- C03C8/02—Frit compositions, i.e. in a powdered or comminuted form
- C03C8/08—Frit compositions, i.e. in a powdered or comminuted form containing phosphorus
-
- 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
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/5022—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with vitreous materials
-
- 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
- C04B41/85—Coating or impregnation with inorganic materials
- C04B41/86—Glazes; Cold glazes
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Structural Engineering (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Glass Compositions (AREA)
Abstract
The present invention relates to the preparation technical fields of porcelain insulator glaze,In particular to the preparation method of the porcelain insulator glaze of a kind of positive temperature coefficient,The porcelain insulator glaze is by by 50-100 parts of montmorillonites,30-50 parts of kaolinites,5-10 parts of nano silicas,20-50 parts of calcining bauxites,16-20 parts of kaolin,8-15 parts of zinc oxide,10-20 parts of barium titanates,5-10 parts of strontium titanates,5-10 parts of lithium niobates,2-4 parts of sodium carboxymethylcelluloses,1-3 parts of thickeners,1-3 parts of degumming agents,3-5 parts of coupling agents and 1-3 parts of colorants carry out scientific compatibility and are prepared,It is reasonably combined due to semiconductor media,Make porcelain insulator glaze of the invention that there is the characteristic of positive temperature coefficient,Applied to solving the problems, such as porcelain insulator freezing disaster in porcelain insulator,Transmission of electricity safety of the transmission line of electricity in freezing weather is effectively ensured.
Description
Technical field
The present invention relates to the preparation technical field of porcelain insulator glaze, in particular to the porcelain insulator glaze of a kind of positive temperature coefficient
Preparation method.
Background technique
Porcelain insulator is a kind of electrotechnical porcelain products, is widely used in overhead transmission line.Porcelain insulator was making
It usually requires to spray one layer of nanometer glaze on its surface in journey, high smooth glaze paint is obtained after high-temperature process, to make product
Become smooth, although this layer of smooth glaze is very thin, for reinforce porcelain insulator mechanical strength, protect porcelain insulator from
Harmful liquid corrosion, and the insulation performance of raising porcelain insulator all have important role.
Positive temperature coefficient phenomenon is the phenomenon that resistance that material has is increased with temperature and increased, with positive temperature coefficient
Material is widely used in the safeguard protection of electrical apparatus product.
Transmission line of electricity is often pressed card electric line due to accumulating excessive ice sheet on insulator, is made in cold winter
At the great paralysis of transmission line of electricity.However there is no effective counter-measure for the freezing disaster problem of insulator at present, positive temperature
The presence of degree coefficient phenomenon opens new thinking to solve this problem, latent with very wide researching value and application
Power.
The content of present invention
In order to overcome the above-mentioned deficiencies of the prior art, the invention proposes a kind of systems of the porcelain insulator glaze of positive temperature coefficient
Preparation Method has effectively ensured transmission line of electricity in ice applied to solving the problems, such as porcelain insulator freezing disaster in porcelain insulator
Freeze the transmission of electricity safety in weather.
To achieve the goals above, the technical scheme adopted by the invention is that：
The preparation method of the porcelain insulator glaze of positive temperature coefficient provided by the invention, includes the following steps：
S1, weighed according to following formulation by weight prepare porcelain insulator glaze needed for raw material：
50-100 parts of montmorillonite, 30-50 parts of kaolinite, 5-10 parts of nano silica, bauxite 20-50 parts of calcining, height
Soil 16-20 parts of ridge, 8-15 parts of zinc oxide, 10-20 parts of barium titanate, 5-10 parts of strontium titanates, 5-10 parts of lithium niobate, carboxymethyl cellulose
Plain sodium 2-4 parts, 1-3 parts of thickener, 1-3 parts of degumming agent, 3-5 parts of coupling agent, 1-3 parts of colorant；
S2, weighed each raw material is sequentially added in batch mixer, 30- is mixed well under the conditions of 150-300r/min
60min；
S3, the raw mixture after mixing is transferred in high temperature furnace, is warming up to 1500 with the heating rate of 5 DEG C/min
DEG C, heat preservation 1-2h carries out melt process, obtains frit；
S4, frit is taken out, and imports cold water thereto rapidly and carries out Water Quenching；
S5, the frit after water quenching is transferred in ball mill, suitable water grinding 1-2h, the glaze being ground into is added
Slurry；
S6, glaze slip is laid in 150 DEG C of baking ovens and dries 30-60min, the fine particle dried,
S7, graininess glaze is transferred in ball mill again, obtains the powder shaped glaze of certain fineness after dry grinding
Material carries out packaging and seals processing up for safekeeping.
Preferably, the best weight ratio for preparing each raw material of the porcelain insulator glaze of positive temperature coefficient is：
80 parts of montmorillonite, 40 parts of kaolinite, 8 parts of nano silica, 35 parts of bauxite of calcining, 18 parts of kaolin, oxidation
12 parts of zinc, 15 parts of barium titanate, 8 parts of strontium titanates, 8 parts of lithium niobate, 3 parts of sodium carboxymethylcellulose, 2 parts of thickener, 2 parts of degumming agent,
4 parts of coupling agent, 2 parts of colorant.
Preferably, the partial size of the nano silica is 5-30nm.
Preferably, the thickener is any one in ammonium chloride, magnesium chloride and sodium chloride.
Preferably, the degumming agent is any one in sodium tripolyphosphate, waterglass and sodium metasilicate.
Preferably, the coupling agent is titante coupling agent.
Preferably, the colorant is metal oxide, and the metal oxide is copper oxide, manganese dioxide, five oxidations
Any one in two vanadium and titanium dioxide.
Preferably, the volume ratio of frit described in S5 step and water is 1:1.5.
Preferably, the fineness of powder shaped glaze described in S7 step is 120-250 mesh.
Preferably, use powder shaped glaze obtained by S1-S7 step preparation glazing slurry method for：It takes a certain amount of
Then powder shaped glaze is charged with the water of powder shaped glaze quality 60-70%, stirs under the conditions of 120-150r/min mixed
Even 20-30min controls the bulk density of glazing slurry in 1.5g/cm3±0.5g/cm3, sprayed using spray gun method.
Compared with prior art, the beneficial effects of the invention are as follows：
(1) preparation method of the porcelain insulator glaze of positive temperature coefficient provided by the invention, by barium titanate, strontium titanates and niobic acid
These three semiconductor medias of lithium and montmorillonite, kaolinite, nano silica, calcining bauxite, kaolin, zinc oxide etc. at
Point scientific compatibility, reasonably combined is carried out, while so that these semiconductor substances is more fully scattered in glaze by addition coupling agent
In, to effectively change the electrology characteristic of the porcelain insulator glaze, make it have the characteristic of positive temperature coefficient；By the glaze
Behind surface coated in porcelain insulator, therefore porcelain insulator also has the characteristic of positive temperature coefficient, when the appearance of porcelain insulator
When face is due to covering ice sheet and leading to its sharp temperature drop, porcelain insulator at this time can be become semiconductor by insulator, from
And so that the glaze layer of porcelain insulator is generated micro-current, the heat that micro-current generates can rapidly porcelain insulator surface ice sheet dissolution, from
And porcelain insulator is avoided to press card electric line due to accumulating excessive ice sheet, and then from solving asking for porcelain insulator freezing disaster
Topic has effectively ensured transmission of electricity safety of the transmission line of electricity in freezing weather；
(2) by experiment test discovery, insulator glaze obtained by the method for the present invention is also almost under room temperature
Completely insulated state；When to 15 DEG C, glaze, which has occurred, significantly goes to insulating phenomenon, starts turning to semi-conductive state slowly
Become；When to 0 DEG C, glaze is had become for semi-conductive state, and has faint electric conductivity；As it can be seen that made using the present invention
The insulator glaze obtained all has apparent ptc characteristics.
Specific embodiment
Specific embodiments of the present invention will be further explained below.It should be noted that for these implementations
The explanation of mode is used to help understand the present invention, but and does not constitute a limitation of the invention.In addition, this hair disclosed below
Technical characteristic involved in bright each embodiment can be combined with each other as long as they do not conflict with each other.
Embodiment 1：
The preparation method of the porcelain insulator glaze for the positive temperature coefficient that the embodiment of the present invention 1 provides, includes the following steps：
S1, weighed according to following formulation by weight prepare porcelain insulator glaze needed for raw material：
Montmorillonite 50kg, kaolinite 30kg, nano silica (partial size 30nm) 5kg, calcining bauxite 20kg, height
Ridge soil 16kg, zinc oxide 8kg, barium titanate 10kg, strontium titanates 5kg, lithium niobate 5kg, sodium carboxymethylcellulose 2kg, ammonium chloride
1kg, sodium tripolyphosphate 1kg, titante coupling agent 3kg, 1 part of copper oxide；
S2, weighed each raw material is sequentially added in batch mixer, 30min is mixed well under the conditions of 150r/min；
S3, the raw mixture after mixing is transferred in high temperature furnace, is warming up to 1500 with the heating rate of 5 DEG C/min
DEG C, heat preservation 1h carries out melt process, obtains frit；
S4, frit is taken out, and imports cold water thereto rapidly and carries out Water Quenching；
S5, the frit after water quenching is transferred in ball mill, 1.5 times of the water that volume is frit volume is added and grinds 1h,
The glaze slip being ground into；
S6, glaze slip is laid in 150 DEG C of baking ovens and dries 30min, the fine particle dried,
S7, graininess glaze is transferred in ball mill again, the powder shaped that fineness is 250 mesh is obtained after dry grinding
Glaze carries out packaging and seals processing up for safekeeping.
Embodiment 2：
The preparation method of the porcelain insulator glaze for the positive temperature coefficient that the embodiment of the present invention 2 provides, includes the following steps：
S1, weighed according to following formulation by weight prepare porcelain insulator glaze needed for raw material：
Montmorillonite 80kg, kaolinite 40kg, nano silica (partial size 5nm) 8kg, calcining bauxite 35kg, kaolinite
Native 18kg, zinc oxide 12kg, barium titanate 15kg, strontium titanates 8kg, lithium niobate 8kg, sodium carboxymethylcellulose 3kg, magnesium chloride
2kg, waterglass 2kg, titante coupling agent 4kg, manganese dioxide 2kg；
S2, weighed each raw material is sequentially added in batch mixer, 45min is mixed well under the conditions of 220r/min；
S3, the raw mixture after mixing is transferred in high temperature furnace, is warming up to 1500 with the heating rate of 5 DEG C/min
DEG C, heat preservation 1.5h carries out melt process, obtains frit；
S4, frit is taken out, and imports cold water thereto rapidly and carries out Water Quenching；
S5, the frit after water quenching is transferred in ball mill, 1.5 times of the water that volume is frit volume is added and grinds
1.5h, the glaze slip being ground into；
S6, glaze slip is laid in 150 DEG C of baking ovens and dries 45min, the fine particle dried,
S7, graininess glaze is transferred in ball mill again, the powder shaped that fineness is 120 mesh is obtained after dry grinding
Glaze carries out packaging and seals processing up for safekeeping.
Embodiment 3：
The preparation method of the porcelain insulator glaze for the positive temperature coefficient that the embodiment of the present invention 3 provides, includes the following steps：
S1, weighed according to following formulation by weight prepare porcelain insulator glaze needed for raw material：
Montmorillonite 100kg, kaolinite 50kg, nano silica (partial size 15nm) 10kg, calcining bauxite 50kg,
Kaolin 20kg, zinc oxide 15kg, barium titanate 20kg, strontium titanates 10kg, lithium niobate 10kg, sodium carboxymethylcellulose 4kg, chlorine
Change sodium 3kg, sodium metasilicate 3kg, titante coupling agent 5kg, titanium dioxide 3kg；
S2, weighed each raw material is sequentially added in batch mixer, 60min is mixed well under the conditions of 300r/min；
S3, the raw mixture after mixing is transferred in high temperature furnace, is warming up to 1500 with the heating rate of 5 DEG C/min
DEG C, heat preservation 2h carries out melt process, obtains frit；
S4, frit is taken out, and imports cold water thereto rapidly and carries out Water Quenching；
S5, the frit after water quenching is transferred in ball mill, 1.5 times of the water that volume is frit volume is added and grinds 2h,
The glaze slip being ground into；
S6, glaze slip is laid in 150 DEG C of baking ovens and dries 60min, the fine particle dried,
S7, graininess glaze is transferred in ball mill again, the powder shaped that fineness is 180 mesh is obtained after dry grinding
Glaze carries out packaging and seals processing up for safekeeping.
Comparative example 1：
The preparation method of the porcelain insulator glaze of comparative example 1, includes the following steps：
S1, weighed according to following formulation by weight prepare porcelain insulator glaze needed for raw material：
Montmorillonite 80kg, kaolinite 40kg, calcining bauxite 35kg, kaolin 18kg, zinc oxide 12kg, carboxymethyl cellulose
Plain sodium 3kg, magnesium chloride 2kg, waterglass 2kg, manganese dioxide 2kg；
S2, weighed each raw material is sequentially added in batch mixer, 60min is mixed well under the conditions of 280r/min；
S3, the raw mixture after mixing is transferred in high temperature furnace, 2h is kept the temperature under the conditions of 1350 DEG C of temperature and is melted
Melt processing, obtains frit；
S4, frit is taken out, and imports cold water thereto rapidly and carries out Water Quenching；
S5, the frit after water quenching is transferred in ball mill, 1.5 times of the water that volume is frit volume is added and grinds 2h,
The glaze slip being ground into；
S6, glaze slip is laid in 150 DEG C of baking ovens and dries 60min, the fine particle dried,
S7, graininess glaze is transferred in ball mill again, the powder shaped that fineness is 200 mesh is obtained after dry grinding
Glaze carries out packaging and seals processing up for safekeeping.
Comparative example 2：
The preparation method of the porcelain insulator glaze of comparative example 2, includes the following steps：
S1, weighed according to following formulation by weight prepare porcelain insulator glaze needed for raw material：
Montmorillonite 80kg, kaolinite 40kg, calcining bauxite 35kg, kaolin 18kg, zinc oxide 12kg, barium titanate
15kg, sodium carboxymethylcellulose 3kg, magnesium chloride 2kg, waterglass 2kg, titante coupling agent 4kg, manganese dioxide 2kg；
S2, weighed each raw material is sequentially added in batch mixer, 60min is mixed well under the conditions of 280r/min；
S3, the raw mixture after mixing is transferred in high temperature furnace, 2h is kept the temperature under the conditions of 1350 DEG C of temperature and is melted
Melt processing, obtains frit；
S4, frit is taken out, and imports cold water thereto rapidly and carries out Water Quenching；
S5, the frit after water quenching is transferred in ball mill, 1.5 times of the water that volume is frit volume is added and grinds 2h,
The glaze slip being ground into；
S6, glaze slip is laid in 150 DEG C of baking ovens and dries 60min, the fine particle dried,
S7, graininess glaze is transferred in ball mill again, the powder shaped that fineness is 200 mesh is obtained after dry grinding
Glaze carries out packaging and seals processing up for safekeeping.
Comparative example 3：
The preparation method of the porcelain insulator glaze of comparative example 3, includes the following steps：
S1, weighed according to following formulation by weight prepare porcelain insulator glaze needed for raw material：
Montmorillonite 80kg, kaolinite 40kg, calcining bauxite 35kg, kaolin 18kg, zinc oxide 12kg, barium titanate
15kg, strontium titanates 8kg, sodium carboxymethylcellulose 3kg, magnesium chloride 2kg, waterglass 2kg, titante coupling agent 4kg, dioxy
Change manganese 2kg；
S2, weighed each raw material is sequentially added in batch mixer, 60min is mixed well under the conditions of 280r/min；
S3, the raw mixture after mixing is transferred in high temperature furnace, 2h is kept the temperature under the conditions of 1350 DEG C of temperature and is melted
Melt processing, obtains frit；
S4, frit is taken out, and imports cold water thereto rapidly and carries out Water Quenching；
S5, the frit after water quenching is transferred in ball mill, 1.5 times of the water that volume is frit volume is added and grinds 2h,
The glaze slip being ground into；
S6, glaze slip is laid in 150 DEG C of baking ovens and dries 60min, the fine particle dried,
S7, graininess glaze is transferred in ball mill again, the powder shaped that fineness is 200 mesh is obtained after dry grinding
Glaze carries out packaging and seals processing up for safekeeping.
Experiment test：
In order to verify the technical effects of the present invention, a certain amount of powder shaped glaze is taken into embodiment 1-3 and comparative example 1-3 respectively
Material, is then charged with the water of powder shaped glaze quality 65%, stirs and evenly mixs 20min under the conditions of 130r/min, then with spray
Rifle will
Thin piece of 0.2-0.3mm is made in glaze in embodiment 1-3 and comparative example 1-3, after thin piece is dried solidification, uses
Numerical megger tests the thin piece of resistivity in room temperature (25 DEG C), 15 DEG C, 0 DEG C of each embodiment and comparative example respectively, test
When, tested in thin piece of upper two points of any selections, to guarantee the science tested, every group of embodiment and comparative example it is thin
Block tests 3 groups of resistivity, and respectively using the average value of three groups of data as final test result.
The resistivity of each embodiment and comparative example under room temperature of table 1
The resistivity of each embodiment and comparative example under the conditions of 2 15 DEG C of table
The resistivity of each embodiment and comparative example under the conditions of 30 DEG C of table
It can be seen that by table 1-3：
Under room temperature, the resistivity of embodiment 1 is 416.5 megaohms, and the resistivity of embodiment 2 is 407.2 megaohms, is implemented
The resistivity of example 2 is 414.9 megaohms, and the resistivity of comparative example 1 is 413.3 megaohms, and the resistivity of comparative example 2 is 410.8 million
Europe, the resistivity of comparative example 3 are 409.4 megaohms；
Under the conditions of 15 DEG C, the resistivity of embodiment 2 is under the conditions of the resistivity of embodiment 1 is 274.2 megaohms, 15 DEG C
The resistivity of embodiment 3 is 271.7 megaohms under the conditions of 263.3 megaohms, 15 DEG C, and the resistivity of comparative example 1 is 411.1 megaohms, right
The resistivity of ratio 2 is 345.6 megaohms, and the resistivity of comparative example 3 is 311.3 megaohms；
Under the conditions of 0 DEG C, the resistivity of embodiment 2 is 41.8 million under the conditions of the resistivity of embodiment 1 is 46.4 megaohms, 0 DEG C
Europe, the resistivity of embodiment 3 is 45.3 megaohms under the conditions of 0 DEG C, and the resistivity of comparative example 1 is 408.9 megaohms, the electricity of comparative example 2
Resistance rate is 150.8 megaohms, and the resistivity of comparative example 3 is 111.3 megaohms；
As it can be seen that in addition to comparative example 1, the resistivity of each embodiment, comparative example 2 and comparative example 3 with the reduction of temperature and
Decline, shows certain ptc characteristics, at room temperature, the resistance of the glaze in each embodiment and comparative example
Rate is higher, is at completely insulated state；Under the conditions of 15 DEG C, each embodiment, comparative example 2 and the glaze in comparative example 3
Resistivity, which has occurred, significantly goes to insulating phenomenon, start slowly to semi-conductive state change；When to 0 DEG C, each embodiment,
Glaze in comparative example 2 and comparative example 3 has become for semi-conductive state, and has faint electric conductivity；Wherein, it compares
The decrease speed of the resistivity of example 2 and comparative example 3 is markedly less than each embodiment.Thus it can be extrapolated that each embodiment, 2 and of comparative example
Insulator glaze obtained by 3 method of comparative example all has apparent ptc characteristics, especially with the insulation in embodiment 2
The ptc characteristics of sub- glaze are the most significant, and effect is best；Compared by each embodiment and comparative example 2, comparative example 3
Compared with discovery, modified effect only with a kind of semiconductor media of barium titanate and led simultaneously using barium titanate and strontium titanates two and half
Effect of the modified effect of body medium than three kinds of barium titanate, strontium titanates and lithium niobate semiconductor media modified synergics is poor.Explanation
These three semiconductor medias of barium titanate, strontium titanates and lithium niobate and montmorillonite, kaolinite, nano silica, calcining aluminium alum
The ingredients such as soil, kaolin, zinc oxide carry out scientific compatibility, reasonably combined, can more effectively change porcelain insulator glaze
Electrology characteristic makes it have the characteristic of positive temperature coefficient.
In addition, each embodiment and comparative example is added to copper oxide, manganese dioxide, vanadic anhydride and dioxy in the preparation
Change the colorants such as titanium, but comparative example is easy to appear sagging phenomenon in sintering procedure, and in embodiment sintering procedure substantially without
Sagging phenomenon, the reason is that being added to a certain amount of nano silica in each embodiment, it is seen then that the addition of silica can
To increase the viscosity of glaze layer in sintering procedure, the sagging phenomenon of oil plant is effectively improved, improves the chemical stability and heat of glaze
Stability.
Above the embodiments of the present invention are described in detail, but the present invention is not limited to described embodiments.It is right
For those skilled in the art, in the case where not departing from the principle of the invention and spirit, these embodiments are carried out more
Kind change, modification, replacement and modification, still fall in protection scope of the present invention.
Claims (10)
1. the preparation method of the porcelain insulator glaze of positive temperature coefficient, it is characterised in that：Include the following steps：
S1, weighed according to following formulation by weight prepare porcelain insulator glaze needed for raw material：
50-100 parts of montmorillonite, 30-50 parts of kaolinite, 5-10 parts of nano silica, calcining bauxite 20-50 parts, kaolin
16-20 parts, 8-15 parts of zinc oxide, 10-20 parts of barium titanate, 5-10 parts of strontium titanates, 5-10 parts of lithium niobate, sodium carboxymethylcellulose 2-
4 parts, 1-3 parts of thickener, 1-3 parts of degumming agent, 3-5 parts of coupling agent, 1-3 parts of colorant；
S2, weighed each raw material is sequentially added in batch mixer, 30-60min is mixed well under the conditions of 150-300r/min；
S3, the raw mixture after mixing is transferred in high temperature furnace, is warming up to 1500 DEG C with the heating rate of 5 DEG C/min, protects
Warm 1-2h carries out melt process, obtains frit；
S4, frit is taken out, and imports cold water thereto rapidly and carries out Water Quenching；
S5, the frit after water quenching is transferred in ball mill, suitable water grinding 1-2h, the glaze slip being ground into is added；
S6, glaze slip is laid in 150 DEG C of baking ovens and dries 30-60min, the fine particle dried,
S7, graininess glaze is transferred in ball mill again, obtains the powder shaped glaze of certain fineness after dry grinding, into
Row packaging seals processing up for safekeeping.
2. the preparation method of the porcelain insulator glaze of positive temperature coefficient according to claim 1, it is characterised in that：Each raw material
Best weight ratio is：
80 parts of montmorillonite, 40 parts of kaolinite, 8 parts of nano silica, calcining 35 parts of bauxite, 18 parts of kaolin, zinc oxide 12
Part, 15 parts of barium titanate, 8 parts of strontium titanates, 8 parts of lithium niobate, 3 parts of sodium carboxymethylcellulose, 2 parts of thickener, 2 parts of degumming agent, coupling
4 parts of agent, 2 parts of colorant.
3. the preparation method of the porcelain insulator glaze of positive temperature coefficient according to claim 1, it is characterised in that：The nanometer
The partial size of silica is 5-30nm.
4. the preparation method of the porcelain insulator glaze of positive temperature coefficient according to claim 1, it is characterised in that：The thickening
Agent is any one in ammonium chloride, magnesium chloride and sodium chloride.
5. the preparation method of the porcelain insulator glaze of positive temperature coefficient according to claim 1, it is characterised in that：The dispergation
Agent is any one in sodium tripolyphosphate, waterglass and sodium metasilicate.
6. the preparation method of the porcelain insulator glaze of positive temperature coefficient according to claim 1, it is characterised in that：The coupling
Agent is titante coupling agent.
7. the preparation method of the porcelain insulator glaze of positive temperature coefficient according to claim 1, it is characterised in that：The coloring
Agent is metal oxide, and the metal oxide is any one in copper oxide, manganese dioxide, vanadic anhydride and titanium dioxide
Kind.
8. the preparation method of the porcelain insulator glaze of positive temperature coefficient according to claim 1, it is characterised in that：In S5 step
The volume ratio of the frit and water is 1:1.5.
9. the preparation method of the porcelain insulator glaze of positive temperature coefficient according to claim 1, it is characterised in that：In S7 step
The fineness of the powder shaped glaze is 120-250 mesh.
10. the preparation method of the porcelain insulator glaze of positive temperature coefficient according to claim 1, it is characterised in that：Using S1-
Powder shaped glaze obtained by S7 step preparation glazing slurry method be：A certain amount of powder shaped glaze is taken, then thereto
The water of powder shaped glaze quality 60-70% is added, 20-30min is stirred and evenly mixed under the conditions of 120-150r/min, controls glazing slurry
Bulk density in 1.5g/cm3±0.5g/cm3, sprayed using spray gun method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810912105.2A CN108863080B (en) | 2018-08-10 | 2018-08-10 | Preparation method of porcelain insulator glaze with positive temperature coefficient |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810912105.2A CN108863080B (en) | 2018-08-10 | 2018-08-10 | Preparation method of porcelain insulator glaze with positive temperature coefficient |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108863080A true CN108863080A (en) | 2018-11-23 |
| CN108863080B CN108863080B (en) | 2021-04-16 |
Family
ID=64317496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810912105.2A Active CN108863080B (en) | 2018-08-10 | 2018-08-10 | Preparation method of porcelain insulator glaze with positive temperature coefficient |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108863080B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112110650A (en) * | 2020-09-24 | 2020-12-22 | 福建省春秋陶瓷实业有限公司 | White glaze ceramic product with black ground glaze and preparation method thereof |
| CN112521010A (en) * | 2020-12-23 | 2021-03-19 | 江西亚航科技有限公司 | Ceramic glaze with stable performance and preparation method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11106269A (en) * | 1997-06-02 | 1999-04-20 | Ngk Insulators Ltd | Ceramic product having electroconductive glaze layer and its production |
| CN101488383A (en) * | 2009-02-23 | 2009-07-22 | 同济大学 | Freezing rain preventing insulator |
| CN101544509A (en) * | 2009-03-26 | 2009-09-30 | 中国科学院地球化学研究所 | Method for selecting and preparing raw materials of ordinary porcelain suspension insulator glaze |
| CN102097190A (en) * | 2009-12-09 | 2011-06-15 | 沈阳临德陶瓷研发有限公司 | Preparation method for black marking glaze for borosilicate glass insulator |
| CN102976747A (en) * | 2012-12-04 | 2013-03-20 | 广西新未来信息产业股份有限公司 | Lithium niobate doped barium titanate based positive temperature coefficient resistance material and preparation method thereof |
| CN105271750A (en) * | 2014-07-10 | 2016-01-27 | 北京航空航天大学 | Preparation of enamel coating modified by rare earth doping and nanometer effect |
| CN106316126A (en) * | 2015-06-18 | 2017-01-11 | 姚文秋 | Porcelain insulator glaze with positive temperature coefficient, and production method thereof |
| CN108218392A (en) * | 2018-01-30 | 2018-06-29 | 福建省德化县福庆陶瓷有限公司 | A kind of anti-sticking anti-bacteria ceramic pot of low bulk and its manufacturing process |
-
2018
- 2018-08-10 CN CN201810912105.2A patent/CN108863080B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11106269A (en) * | 1997-06-02 | 1999-04-20 | Ngk Insulators Ltd | Ceramic product having electroconductive glaze layer and its production |
| CN101488383A (en) * | 2009-02-23 | 2009-07-22 | 同济大学 | Freezing rain preventing insulator |
| CN101544509A (en) * | 2009-03-26 | 2009-09-30 | 中国科学院地球化学研究所 | Method for selecting and preparing raw materials of ordinary porcelain suspension insulator glaze |
| CN102097190A (en) * | 2009-12-09 | 2011-06-15 | 沈阳临德陶瓷研发有限公司 | Preparation method for black marking glaze for borosilicate glass insulator |
| CN102976747A (en) * | 2012-12-04 | 2013-03-20 | 广西新未来信息产业股份有限公司 | Lithium niobate doped barium titanate based positive temperature coefficient resistance material and preparation method thereof |
| CN105271750A (en) * | 2014-07-10 | 2016-01-27 | 北京航空航天大学 | Preparation of enamel coating modified by rare earth doping and nanometer effect |
| CN106316126A (en) * | 2015-06-18 | 2017-01-11 | 姚文秋 | Porcelain insulator glaze with positive temperature coefficient, and production method thereof |
| CN108218392A (en) * | 2018-01-30 | 2018-06-29 | 福建省德化县福庆陶瓷有限公司 | A kind of anti-sticking anti-bacteria ceramic pot of low bulk and its manufacturing process |
Non-Patent Citations (1)
| Title |
|---|
| 朱永平: "《陶瓷砖生产技术》", 28 February 2009, 天津大学出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112110650A (en) * | 2020-09-24 | 2020-12-22 | 福建省春秋陶瓷实业有限公司 | White glaze ceramic product with black ground glaze and preparation method thereof |
| CN112521010A (en) * | 2020-12-23 | 2021-03-19 | 江西亚航科技有限公司 | Ceramic glaze with stable performance and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108863080B (en) | 2021-04-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108863080A (en) | The preparation method of the porcelain insulator glaze of positive temperature coefficient | |
| CN101974259B (en) | Method for preparing A1-doped SiC powder infrared radiation coating | |
| CN101436456B (en) | Method for preparing zinc oxide resistance card | |
| AU2014302025A1 (en) | Electrothermic compositions | |
| CN106006652B (en) | Silicon sodium titanate, frit for porcelain enamel, enamel slurry, nucerite and preparation method thereof | |
| CN103613962A (en) | Infrared high-emissivity coating material and preparation method thereof | |
| CN106083007A (en) | Metal-porcelain color masking ceramic agent porcelain powder and preparation method thereof | |
| CN104446465B (en) | A kind of ceramic material and preparation method thereof, polytetrafluoroethylene (PTFE) ceramic composite and preparation method thereof and substrate | |
| CN108288528A (en) | A kind of magnesia powder insulating materials and a kind of flexible cable | |
| CN101302360A (en) | Preparation of color ceramic hollow micro-bead pigment-filler | |
| CN101880480A (en) | Preparation method of calcinated argil | |
| CN110028315A (en) | A kind of high heat-resisting ceramic cooking device and preparation method thereof | |
| CN107200936A (en) | A kind of light weight CABLE MATERIALS and preparation method thereof | |
| CN115784605A (en) | Tantalate additive for aluminum-silicon glass and preparation method and application thereof | |
| CN111559921B (en) | Foamed ceramic and preparation method thereof | |
| CN113943502A (en) | Method for preparing infrared coating paint by utilizing metallurgical solid wastes | |
| RU2126776C1 (en) | Raw meal for fire-protective heat-insulation boards and method of manufacture thereof | |
| CN108281217A (en) | A kind of magnesia powder insulating materials and preparation method thereof and a kind of flexible cable | |
| CN106565237A (en) | High-performance lead-free high-tension ceramic capacitor material | |
| CN114804835A (en) | Novel carbon composite ceramic linear resistor and preparation method thereof | |
| CN108529878A (en) | A kind of low bulk sesame point glaze and preparation method thereof | |
| CN105272288A (en) | Special thermal-insulation refractory material for microwave high temperature and preparation method of special thermal-insulation refractory material | |
| CN109851350A (en) | A kind of low Jie high Q lithium magnesium phosphorus system dielectric material and preparation method thereof | |
| CN106633191B (en) | A method of Flame-retardant ceramic rubber filling is produced using red mud | |
| CN110713767A (en) | Green intumescent home decoration fireproof water paint and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |