CN108821587A - A kind of cast iron industrial enamel formula and technique - Google Patents
A kind of cast iron industrial enamel formula and technique Download PDFInfo
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- CN108821587A CN108821587A CN201810919030.0A CN201810919030A CN108821587A CN 108821587 A CN108821587 A CN 108821587A CN 201810919030 A CN201810919030 A CN 201810919030A CN 108821587 A CN108821587 A CN 108821587A
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- 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
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- 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
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Abstract
It the invention discloses a kind of cast iron industrial enamel formula, applies in the field of industrial enamel preparation, solves the low technical problem of existing enamel chemical stability, its key points of the technical solution are that including the component of following parts by weight：98 ~ 102 parts of cast iron acid-resistant glaze, 3 ~ 5 parts of mineral black contain 5 ~ 8 parts of the organic-silicon-modified clay of double bond, 3 ~ 7 parts of calcining quartz powder, 0.2 ~ 0.4 part of borax, 0.1 ~ 0.3 part and 50 ~ 55 parts of water of sodium nitrite, basic component of the cast iron acid-resistant glaze as enamel formula of the present invention provides antirust, the wear-resisting performance guarantee with high chemical stability；Organosilicon containing double bond has stronger activity；Calcining quartz powder hardness is high, even particle size distribution, also has anticorrosive, resistance to delineation, wear-resisting property；Borax has anti-corrosive properties, can also increase elasticity and expansion；Via this application involves formula made of enamel, have anti-corrosion, wear-resisting and high chemical stability.
Description
Technical field
The present invention relates to enamel and its preparation field, in particular to a kind of cast iron industrial enamel formula and technique.
Background technique
During producing water pump, enamel technology is essential.Enamel is by nature of glass enamel coated in metal base
Surface occurs physical-chemical reaction between enamel and metal and is firmly combined, there is the power of metal on the whole by high temperature sintering
Intensity is learned, there is a kind of coating material of the characteristics such as the anti-corrosion, heat-resisting, wear-resisting, easy clean of glass and decoration on surface, it is mainly used for steel
The surfaces such as plate, cast iron, aluminum products, are widely used.
Currently, the Chinese patent that Authorization Notice No. is CN103693850B in existing patent discloses a kind of nano microcrystalline and wards off
The technology of preparing of porcelain, includes the following steps：1) homogeneous enamel frit is obtained；2) enamel pre-grinding dry powder is obtained；3) 50 mass parts are taken
Enamel pre-grinding dry powder adds 23 mass parts water, is modulated into Enamel Slip, will uniformly be applied to application of slip surface of workpiece with dip-coating method
The Enamel Slip with a thickness of 0.25mm is covered, is put into after drying in 900 DEG C of heat-treatment furnaces, 3min is kept the temperature, after enamel sufficiently melts,
Furnace temperature is down to 720 DEG C, keeps the temperature 2min, obtains the nano microcrystalline enamel of average grain size 45nm after taking out cooling, thus
The acid-alkali-corrosive-resisting of enamel and the ability of heat resistanceheat resistant water erosion are effectively improved, can be used as the liner of pressure vessels for the chemical industry.
But above-mentioned nano microcrystalline enamel is added in formula system, can reduce the chemical stability of enamel formula, is influenced
The wearability of enamel, those skilled in the art urgently research and develop a kind of while having antirust, wear-resisting and compared with high chemical stability
Enamel formula.
Summary of the invention
The object of the present invention is to provide a kind of cast iron industrial enamel formula, simultaneously with antirust, wear-resisting steady with high chemistry
Qualitative advantage.
Above-mentioned technical purpose of the invention technical scheme is that：
A kind of cast iron industrial enamel formula, the component including following parts by weight：98~102 parts of cast iron acid-resistant glaze, mineral black 3~5
Part, containing 5~8 parts of the organic-silicon-modified clay of double bond, 3~7 parts of calcining quartz powder, 0.2~0.4 part of borax, sodium nitrite 0.1~
0.3 part and 50~55 parts of water.
By using above-mentioned technical proposal, basic component of the cast iron acid-resistant glaze as enamel formula of the present invention is provided anti-
Rust, the wear-resisting performance guarantee with high chemical stability；Organosilicon containing double bond has stronger activity, is changed using organosilicon containing double bond
Property clay graft reaction occurs, contain Si-O-Si key, Si-C key in the main polymer chain of generation, Si-O key, their bond energy is remote
Greater than the bond energy of C-O key, flexibility, excellent high and low temperature resistance, weatherability, water resistance with height and good
Gas, at the same have concurrently clay surface can low, hydrophobic, pollution resistance and the good characteristics such as electrical insulating property and elasticity, effectively solve
Determined clay film the shortcomings that and existing rigidity is strong, glossiness is low when silica solution film, be easily cracked, low temperature drying lacks rapidly etc.
It falls into, the two can achieve the mutual supplement with each other's advantages in performance；Calcining quartz powder is in torispherical, and oil absorbency is low, and hardness is high, and size distribution is equal
Even, good fluidity also has anticorrosive, resistance to delineation, wear-resisting and strong anti-uv-ray and insulation performance；Borax has anti-corrosion
Property, it can also increase elasticity and expansion；Via this application involves enamel be formulated made of enamel, have anti-corrosion, it is wear-resisting with
High chemical stability.
The present invention is further arranged to：The cast iron acid-resistant glaze includes the component of following parts by weight：60~70 parts of acid-resistant glaze,
10~15 parts of organosilicon acrylic resin, 3~6 parts of bauxite, 5~10 parts and 1~3 part of compatilizer of polyborosiloxane.
By using above-mentioned technical proposal, organosilicon acrylic resin is as organic solvent, it is ensured that above-mentioned each component is in organosilicon acrylic resin
Interior dissolution；Bauxite stores the easy moisture absorption for a long time in air and agglomerates, is soluble easily in water, and aqueous solution is mainly used for papermaking in acidity
The flocculant of sizing agent and drinking water, industrial water and wastewater treatment can also produce synthetic cut stone and other aluminium salts, in addition, aluminium
Alumina can also be used in high-quality clarifying agent, the agent of petroleum deodorization and discoloration, the production of concrete waterproofer and catalyst carrier；Poly- borosilicate oxygen
Alkane has excellent chemical stability, and polyborosiloxane is dissolved in organosilicon acrylic resin, is conducive to improve the change in formula system
Stability is learned, and heat-resisting quantity is excellent, suitable for preparing enamel material；By acid-resistant glaze, organosilicon acrylic resin, bauxite, poly- borosilicate
When oxygen alkane is reacted with compatilizer, acid-resistant glaze can be modified, make up acid-resistant glaze self-defect, ensure that cast iron acid-resistant glaze
With superior chemical-resistant stability.
The present invention is further arranged to：After the cast iron acid-resistant glaze boils 2~3h in 1%~3% sulfuric acid solution, lose
Focus on 0.02~0.03mg/cm2。
By using above-mentioned technical proposal, the cast iron acid-resistant glaze of preparation has superior acid resistance, can be 1%~3%
Sulfuric acid solution in boil 2~3h after, weightlessness be only 0.02~0.03mg/cm2, performance guarantee is provided to prepare enamel formula.
The present invention is further arranged to：The compatilizer includes the component of following parts by weight：3~5 parts of methyl anyl alcohol, hydroxyl second
1~3 part of base cellulose ether, 0.5~2 part of Crodaret and γ-methacryloxy trimethoxy silane 0.5
~2 parts.
By using above-mentioned technical proposal, methyl anyl alcohol is the dispersing agent haveing excellent performance, and be can reduce solid in formula system
The aggregation of body or liquid particle, the stability in holding system, methyl anyl alcohol is added in reaction system, is made in reaction system
Each component can more uniformly be dispersed, facilitate corresponsively more sufficiently, be uniformly dispersed；Hydroxyethyl ether cellulose is available
Make adhesive, surfactant, dispersing agent and stabilizer；Crodaret is in formula system at dispersed, tool
Have excellent emulsification, dispersion, solubilising, antistatic property, greatly improve cast iron acid-resistant glaze, mineral black, containing double bond it is organic-silicon-modified
Clay, calcining quartz powder and the dispersibility of borax in water increase the intersolubility between each component, reduce the phase between each component
Interreaction force improves the elasticity of enamel slurries；Via compatilizer prepared by above-mentioned each component, it is resistance to facilitate enamel formula medium cast iron
Sour glaze is uniformly mixed with containing the organic-silicon-modified clay of double bond, calcining quartz powder, borax etc..
The present invention is further arranged to：The preparation method of the organic-silicon-modified clay containing double bond includes the following steps：
(1) be added into reaction vessel 10~20 parts by weight of esters of acrylic acid, 20~30 parts by weight of organosilicon containing double bond and 40~
50 parts of water；
(2) 0.5~3 parts by weight of peroxide initiator are added, are warming up to 70~80 DEG C under stirring conditions, react 1~2h；
(3) temperature for keeping 70~80 DEG C, is added 20~30 parts by weight of clay, reacts 2~3h.
It is activated by esters of acrylic acid as reactive matrix using organosilicon containing double bond by using above-mentioned technical proposal
Clay, so that clay is easily grafted in the carbochain of esters of acrylic acid, prepared modification clay flexibility is preferable, has good
High resiliency and hardness it is high, even particle size distribution, good fluidity also has anticorrosive, resistance to delineation, wear-resisting and strong uvioresistant
Ability and insulation performance.
The present invention is further arranged to：The calcining quartz powder is to be sintered to be formed in the surface of silica flour coating turpentine oil.
By using above-mentioned technical proposal, contain double bond inside turpentine oil, certain peroxide can be generated in calcination process
Compound, and then accelerate the drying of silica flour；Calcining quartz powder after turpentine oil coats, has with cast iron acid-resistant glaze, containing double bond
When machine Si modification clay is reacted, have the advantages that big viscosity, insulating properties and dissolubility are good.
Another object of the present invention is to disclose a kind of cast iron industry enamel technology, include the following steps：(1) ingredient；
(2) artificial sandblasting；(3) runner sandblasting；(4) ball milling；(5) glaze slip is prepared；(6) application of slip；(7) it dries；(8) it is sintered；(9) it examines.
By using above-mentioned technical proposal, artificial sandblasting and runner sandblasting are the basic guarantees of the application enamel technology, special
It is not runner sandblasting is even more that technique is successfully crucial, then in turn through ball milling, slurrying and the application of slip, drying, sintering process, thus
Realization prepares enamel.
The present invention is further arranged to：White fused alumina abrading-ball in step (4) is filled at the 1/2 of ball mill, wherein specification point
It Wei not Φ 30：Φ40：Φ50：Φ 60=2：3：3：2.
By using above-mentioned technical proposal, abrading-ball used in ball-milling technology is white fused alumina abrading-ball, and different using specification
Abrading-ball mixed, the dosage of white fused alumina abrading-ball reaches at the 1/2 of ball mill, be conducive to preferably grind slurries,
So that mechanical milling process is more full and uniform.
In conclusion the invention has the advantages that：
1, the enamel formula of the application has the advantages that anti-corrosion, wear-resisting and high chemical stability；
2, cast iron acid-resistant glaze is used in formula, the modification of common acid-resistant glaze is made, and improves the anti-corrosive properties and height of common acid-resistant glaze
Chemical stability；
3, organic-silicon-modified clay is built using containing double in formula, replaces unselected clay, improve point of the clay in formula system
Dissipate property, high resiliency, activity and wearability；
4, enamel is made of special process, more uniform, stable, quality is good.
Specific embodiment
Invention is further described in detail with reference to embodiments.
Embodiment one：
A kind of compatilizer, is prepared with the following method：
(1) ingredient：In parts by weight, 3 parts of methyl anyl alcohol, 1 part of hydroxyethyl ether cellulose, Crodaret 0.5
Part and γ -0.5 part of methacryloxy trimethoxy silane；
(2) methyl anyl alcohol, hydroxyethyl ether cellulose, Crodaret and γ-methyl are sequentially added into blender
Acryloxy trimethoxy silane is stirred, and revolving speed 200r/min obtains compatilizer.
Embodiment two：
A kind of compatilizer, is prepared with the following method：
(1) ingredient：In parts by weight, 4 parts of methyl anyl alcohol, 2 parts of hydroxyethyl ether cellulose, Crodaret 1.2
Part and γ -1.2 parts of methacryloxy trimethoxy silane；
(2) methyl anyl alcohol, hydroxyethyl ether cellulose, Crodaret and γ-methyl are sequentially added into blender
Acryloxy trimethoxy silane is stirred, and revolving speed 200r/min obtains compatilizer.
Embodiment three：
A kind of compatilizer, is prepared with the following method：
(1) ingredient：In parts by weight, 5 parts of methyl anyl alcohol, 3 parts of hydroxyethyl ether cellulose, 2 parts of Crodaret
With γ -2 parts of methacryloxy trimethoxy silane；
(2) methyl anyl alcohol, hydroxyethyl ether cellulose, Crodaret and γ-methyl are sequentially added into blender
Acryloxy trimethoxy silane is stirred, and revolving speed 200r/min obtains compatilizer.
Example IV：
A kind of cast iron acid-resistant glaze, is prepared with the following method：
(1) ingredient：In parts by weight, 60 parts of acid-resistant glaze, 10 parts of organosilicon acrylic resin, 3 parts of bauxite, 5 parts of polyborosiloxane and reality
Apply one 1 parts of example；
(2) acid-resistant glaze is dissolved in organosilicon acrylic resin, is stirred evenly；
(3) it is previously added compatilizer to be stirred, bauxite is then added and is sufficiently stirred with polyborosiloxane, cast iron is obtained
Acid-resistant glaze.
Embodiment five：
A kind of cast iron acid-resistant glaze, is prepared with the following method：
(1) ingredient：In parts by weight, 62 parts of acid-resistant glaze, 11 parts of organosilicon acrylic resin, 3 parts of bauxite, 6 parts of polyborosiloxane and reality
Apply 21 parts of example；
(2) acid-resistant glaze is dissolved in organosilicon acrylic resin, is stirred evenly；
(3) it is previously added compatilizer to be stirred, bauxite is then added and is sufficiently stirred with polyborosiloxane, cast iron is obtained
Acid-resistant glaze.
Embodiment six：
A kind of cast iron acid-resistant glaze, is prepared with the following method：
(1) ingredient：In parts by weight, 65 parts of acid-resistant glaze, 12 parts of organosilicon acrylic resin, 4 parts of bauxite, 8 parts of polyborosiloxane and reality
Apply 22 parts of example；
(2) acid-resistant glaze is dissolved in organosilicon acrylic resin, is stirred evenly；
(3) it is previously added compatilizer to be stirred, bauxite is then added and is sufficiently stirred with polyborosiloxane, cast iron is obtained
Acid-resistant glaze.
Embodiment seven：
A kind of cast iron acid-resistant glaze, is prepared with the following method：
(1) ingredient：In parts by weight, 68 parts of acid-resistant glaze, 13 parts of organosilicon acrylic resin, 5 parts of bauxite, 9 parts of polyborosiloxane and reality
Apply 23 parts of example；
(2) acid-resistant glaze is dissolved in organosilicon acrylic resin, is stirred evenly；
(3) it is previously added compatilizer to be stirred, bauxite is then added and is sufficiently stirred with polyborosiloxane, cast iron is obtained
Acid-resistant glaze.
Embodiment eight：
A kind of cast iron acid-resistant glaze, is prepared with the following method：
(1) ingredient：In parts by weight, 70 parts of acid-resistant glaze, 15 parts of organosilicon acrylic resin, 6 parts of bauxite, 10 parts of polyborosiloxane and reality
Apply 23 parts of example；
(2) acid-resistant glaze is dissolved in organosilicon acrylic resin, is stirred evenly；
(3) it is previously added compatilizer to be stirred, bauxite is then added and is sufficiently stirred with polyborosiloxane, cast iron is obtained
Acid-resistant glaze.
Embodiment nine：
A kind of organic-silicon-modified clay containing double bond, is prepared with the following method：
(1) 10 parts by weight of esters of acrylic acid, 20 parts by weight of organosilicon containing double bond and 40 parts of water are added into reaction vessel；
(2) 0.5 parts by weight of peroxide initiator are added, are warming up to 70 DEG C under stirring conditions, react 1h；
(3) temperature for keeping 70 DEG C, is added 20 parts by weight of clay, reacts 2h, obtains the organic-silicon-modified clay containing double bond.
Embodiment ten：
A kind of organic-silicon-modified clay containing double bond, is prepared with the following method：
(1) 12 parts by weight of esters of acrylic acid, 22 parts by weight of organosilicon containing double bond and 42 parts of water are added into reaction vessel；
(2) 1 parts by weight of peroxide initiator are added, are warming up to 75 DEG C under stirring conditions, react 1.5h；
(3) temperature for keeping 75 DEG C, is added 22 parts by weight of clay, reacts 2.5h, obtains the organic-silicon-modified clay containing double bond.
Embodiment 11：
A kind of organic-silicon-modified clay containing double bond, is prepared with the following method：
(1) 15 parts by weight of esters of acrylic acid, 25 parts by weight of organosilicon containing double bond and 45 parts of water are added into reaction vessel；
(2) 1.5 parts by weight of peroxide initiator are added, are warming up to 75 DEG C under stirring conditions, react 1.5h；
(3) temperature for keeping 75 DEG C, is added 25 parts by weight of clay, reacts 2.5h, obtains the organic-silicon-modified clay containing double bond.
Embodiment 12：
A kind of organic-silicon-modified clay containing double bond, is prepared with the following method：
(1) 18 parts by weight of esters of acrylic acid, 28 parts by weight of organosilicon containing double bond and 48 parts of water are added into reaction vessel；
(2) 2 parts by weight of peroxide initiator are added, are warming up to 75 DEG C under stirring conditions, react 1.5h；
(3) temperature for keeping 75 DEG C, is added 28 parts by weight of clay, reacts 2.5h, obtains the organic-silicon-modified clay containing double bond.
Embodiment 13：
A kind of organic-silicon-modified clay containing double bond, is prepared with the following method：
(1) 20 parts by weight of esters of acrylic acid, 30 parts by weight of organosilicon containing double bond and 50 parts of water are added into reaction vessel；
(2) 2.5 parts by weight of peroxide initiator are added, are warming up to 80 DEG C under stirring conditions, react 2h；
(3) temperature for keeping 75 DEG C, is added 30 parts by weight of clay, reacts 3h, obtains the organic-silicon-modified clay containing double bond.
Embodiment 14：
A kind of cast iron industrial enamel, prepares with the following method：
(1) in parts by weight, 98 parts of cast iron acid-resistant glaze, 3~5 parts of mineral black, containing 5 parts of the organic-silicon-modified clay of double bond, calcining
3 parts of silica flour, 0.2 part of borax, 0.1 part and 50 parts of water of sodium nitrite；
(2) it is dissolved by cast iron acid-resistant glaze, mineral black, containing the organic-silicon-modified clay of double bond, calcining quartz powder, borax, sodium nitrite
In water, it and is sufficiently stirred, it is spare；
Wherein, cast iron acid-resistant glaze is prepared using example IV；It is prepared containing the organic-silicon-modified clay of double bond using embodiment nine.
Embodiment 15：
A kind of cast iron industrial enamel, prepares with the following method：
(1) in parts by weight, 99 parts of cast iron acid-resistant glaze, 3 parts of mineral black, contain 6 parts of the organic-silicon-modified clay of double bond, calcining quartz
4 parts of powder, 0.25 part of borax, 0.15 part and 52 parts of water of sodium nitrite；
(2) it is dissolved by cast iron acid-resistant glaze, mineral black, containing the organic-silicon-modified clay of double bond, calcining quartz powder, borax, sodium nitrite
In water, it and is sufficiently stirred, it is spare；
Wherein, cast iron acid-resistant glaze is prepared using embodiment five；It is prepared containing the organic-silicon-modified clay of double bond using embodiment 90.
Embodiment 16：
A kind of cast iron industrial enamel, prepares with the following method：
(1) in parts by weight, 100 parts of cast iron acid-resistant glaze, 4 parts of mineral black, containing 7 parts of the organic-silicon-modified clay of double bond, calcining stone
5 parts of English powder, 0.3 part of borax, 0.2 part and 52 parts of water of sodium nitrite；
(2) it is dissolved by cast iron acid-resistant glaze, mineral black, containing the organic-silicon-modified clay of double bond, calcining quartz powder, borax, sodium nitrite
In water, it and is sufficiently stirred, it is spare；
Wherein, cast iron acid-resistant glaze is prepared using embodiment six；It is prepared containing the organic-silicon-modified clay of double bond using embodiment 11.
Embodiment 17：
A kind of cast iron industrial enamel, prepares with the following method：
(1) in parts by weight, 101 parts of cast iron acid-resistant glaze, 5 parts of mineral black, containing 8 parts of the organic-silicon-modified clay of double bond, calcining stone
7 parts of English powder, 0.35 part of borax, 0.25 part and 52 parts of water of sodium nitrite；
(2) it is dissolved by cast iron acid-resistant glaze, mineral black, containing the organic-silicon-modified clay of double bond, calcining quartz powder, borax, sodium nitrite
In water, it and is sufficiently stirred, it is spare；
Wherein, cast iron acid-resistant glaze is prepared using embodiment seven；It is prepared containing the organic-silicon-modified clay of double bond using embodiment 12.
Embodiment 18：
A kind of cast iron industrial enamel, prepares with the following method：
(1) in parts by weight, 102 parts of cast iron acid-resistant glaze, 5 parts of mineral black, containing 8 parts of the organic-silicon-modified clay of double bond, calcining stone
7 parts of English powder, 0.4 part of borax, 0.3 part and 55 parts of water of sodium nitrite；
(2) it is dissolved by cast iron acid-resistant glaze, mineral black, containing the organic-silicon-modified clay of double bond, calcining quartz powder, borax, sodium nitrite
In water, it and is sufficiently stirred, it is spare；
Wherein, cast iron acid-resistant glaze is prepared using embodiment eight；It is prepared containing the organic-silicon-modified clay of double bond using embodiment 13.
Embodiment 19：
A kind of cast iron industry enamel technology, includes the following steps：
(1) artificial sandblasting：Sandblasting is carried out using air gun centering shell, sandblasting compressed air is dry air, pressure >=5kg, exhaust
Amount >=1.5m3/min；
(2) runner sandblasting：It is first injected at sand-blasting machine sandbox 2/3, about 20kg, sand-blasting machine selects ZXY-1010 model；
(3) ball milling：The white fused alumina abrading-ball of 1/2 volume, about 600 kilograms, respectively Φ 30 are packed into ball mill：Φ40：Φ50：
Φ 60=2：3：3：2；After ball milling half an hour, 100mL glaze is taken out with bulk density cup and enters to claim, weighing quality is 175~183g/mL,
As bulk density is qualified；
(4) glaze slip is prepared：Glaze slip is prepared according to the method for embodiment 14, is stirred using R6170 blender；By 100mL
Glaze slip passes through 140 mesh stainless steel sieves, and sieved particles are 1~1.2g, and sieved particles are dried, as qualified fineness degree；
(5) application of slip：Wet-process enamelling contains a large amount of moisture, about 35% or so of glaze slip weight in the glaze slip on baslled iron, it is necessary to
Most of moisture is removed before firing, is prevented moisture from causing the destruction of coating in firing furnace high-temperature explosive vaporization, is caused defect；
(6) it dries：Temperature≤120 DEG C, so that surface air-dries into floury；
(7) it is sintered：Shell product color and when resistance furnace inner wall solid colour, start timing in the middle, are sintered 0~30 minute；
(8) it examines.
Embodiment 20：With embodiment 19 the difference is that ingredient is prepared according to the method for embodiment 15.
Embodiment 21：With embodiment 19 the difference is that ingredient is prepared according to the method for embodiment 16.
Embodiment 22：With embodiment 19 the difference is that ingredient is prepared according to the method for embodiment 17.
Embodiment 23：With embodiment 19 the difference is that ingredient is prepared according to the method for embodiment 18.
Comparative example：It is micro- with a kind of nanometer disclosed in Chinese patent of the Authorization Notice No. for CN103693850B in existing patent
The technology of preparing of brilliant enamel is as a comparison case.
Detection means：
(1) acid resistance of the GB/T 13484-2011 contacting foodstuff enamelware standard [4] to enamel material according to national standards
It is measured；Mohs' hardness measurement is carried out to enamel material surface according to Mohs' hardness scarification.
(2) sample is made by sintered enamel is levigate, boiled jointly using water, acid or alkali, the matter dissolved with sample
Amount accounts for the percentage of original sample quality to indicate.
Test result is as follows for acid resistance and Mohs' hardness shown in table：
| Sample | Acid resistance | Mohs' hardness |
| Embodiment 19 | AA grades | 9 grades |
| Embodiment 20 | AA grades | 9 grades |
| Embodiment 21 | AA grades | 9 grades |
| Embodiment 22 | AA grades | 9 grades |
| Embodiment 23 | AA grades | 9 grades |
| Comparative example | A grades | 7 grades |
By upper table it is found that the enamel prepared through embodiment, acid resistance reach AA classification standard, Mohs' hardness can reach 9
Grade；And comparative example is related to the acid resistance of enamel and Mohs' hardness is not so good as the enamel of the present embodiment.
The testing result of acid resistance and fastness to alkali is as shown in the table：
| Sample | Acid resistance (%) | Fastness to alkali (%) |
| Embodiment 19 | 91 | 92 |
| Embodiment 20 | 93 | 93 |
| Embodiment 21 | 93 | 95 |
| Embodiment 22 | 94 | 95 |
| Embodiment 23 | 92 | 94 |
| Comparative example | 85 | 82 |
By upper table it is found that the enamel of the present embodiment chemical stability with higher, acid-proof alkaline is more excellent, and comparative example
Enamel slightly show inferior.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (8)
1. a kind of cast iron industrial enamel formula, it is characterised in that the component including following parts by weight：Cast iron acid-resistant glaze 98 ~ 102
Part, 3 ~ 5 parts of mineral black contain 5 ~ 8 parts of the organic-silicon-modified clay of double bond, 3 ~ 7 parts of calcining quartz powder, 0.2 ~ 0.4 part of borax, Asia
0.1 ~ 0.3 part and 50 ~ 55 parts of water of sodium nitrate.
2. a kind of cast iron industrial enamel formula according to claim 1, it is characterised in that：The cast iron acid-resistant glaze includes such as
The component of lower parts by weight：60 ~ 70 parts of acid-resistant glaze, 10 ~ 15 parts of organosilicon acrylic resin, 3 ~ 6 parts of bauxite, 5 ~ 10 parts of polyborosiloxane
With 1 ~ 3 part of compatilizer.
3. a kind of cast iron industrial enamel formula according to claim 2, it is characterised in that：The cast iron acid-resistant glaze 1% ~
After boiling 2 ~ 3h in 3% sulfuric acid solution, weightlessness is in 0.02 ~ 0.03mg/cm2。
4. a kind of cast iron industrial enamel formula according to claim 2, which is characterized in that the compatilizer includes following weight
Measure the component of part：3 ~ 5 parts of methyl anyl alcohol, 1 ~ 3 part of hydroxyethyl ether cellulose, 0.5 ~ 2 part of Crodaret with
γ -0.5 ~ 2 part of methacryloxy trimethoxy silane.
5. a kind of cast iron industrial enamel formula according to claim 1, which is characterized in that the organosilicon containing double bond changes
The preparation method of property clay includes the following steps：
（1）10 ~ 20 parts by weight of esters of acrylic acid, 20 ~ 30 parts by weight of organosilicon containing double bond and 40 ~ 50 are added into reaction vessel
Part water；
（2）0.5 ~ 3 parts by weight of peroxide initiator are added, are warming up to 70 ~ 80 DEG C under stirring conditions, react 1 ~ 2h；
（3）70 ~ 80 DEG C of temperature is kept, 20 ~ 30 parts by weight of clay are added, reacts 2 ~ 3h.
6. a kind of cast iron industrial enamel formula according to claim 1, it is characterised in that：The calcining quartz powder be
The surface coating turpentine oil of silica flour is sintered to be formed.
7. a kind of a kind of cast iron industry enamel technology as described in claim 1 ~ 6 any one, it is characterised in that including as follows
Step：
（1）Ingredient；（2）Artificial sandblasting；（3）Runner sandblasting；（4）Ball milling；（5）Prepare glaze slip；（6）The application of slip；（7）Drying；（8）It burns
Knot；（9）It examines.
8. a kind of cast iron industrial enamel formula according to claim 7, it is characterised in that：Step（4）In white fused alumina mill
Ball is filled at the 1/2 of ball mill, and wherein specification is respectively Φ 30：Φ40：Φ50：Φ60=2：3：3：2.
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