CN102953060B - Method for preparing enameled air conditioner bracket - Google Patents
Method for preparing enameled air conditioner bracket Download PDFInfo
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- CN102953060B CN102953060B CN201110311225.5A CN201110311225A CN102953060B CN 102953060 B CN102953060 B CN 102953060B CN 201110311225 A CN201110311225 A CN 201110311225A CN 102953060 B CN102953060 B CN 102953060B
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Abstract
The invention relates to preparation methods of air conditioner brackets and particularly relates to a method for preparing an enameled air conditioner bracket with strong oxidation resistance. The method comprises the following steps of: preparing enameling glaze slurry: providing a glaze block which contains the following substances in percentage by mass: 22-28% of high-temperature glaze, 34.5-40.5% of low-temperature glaze and 34.5-40.5% of middle-temperature glaze, adding the following substances in percentage by the mass of the glaze block: 0.5-1.5% of nickel protoxide, 10-14% of calcined quartz sand, 0.5-1.5 % of barium molybdate, 0.5-1.5% of antimony oxide, 2-10% of Suzhou clay, 0.2-0.8% of borax and 0.1-0.5% of sodium nitrite, finally adding 45-50% of water in percentage by the mass of the glaze block, and grinding for about 5-7 hours, thereby preparing the glaze slurry; carrying out annealing treatment on a metallic preform body, and then, carrying out ball blasting treatment on the surface of the metallic preform body; and enameling and then carrying out firing. According to the method for preparing the enameled air conditioner bracket, the enameled air conditioner bracket is strong in oxidation resistance and good in weather resistance; and the best enameling and grinding processes are combined, so that the enamel crack preventing effect is better.
Description
Technical field
The present invention relates to the preparation method of air conditioner support, specifically, relate to the preparation method of the enamel air conditioner support that a kind of oxidation-resistance is strong.
Background technology
As everyone knows; enamel coating belongs to (silicate) non-metal inorganic material; identical with glass property; simultaneously; because enamel coating can give that metal material surface is wear-resisting, anti-corrosion, heat-resisting, the property such as radiation hardness and optical, electrical, thermal and magnetic; its smooth surface; there is no micropore and slight crack; it can be isolated reaction medium and metal base completely; it can effectively protect metal material surface; thereby reach the object that improves metallic substance use properties and extend its work-ing life, it is particularly suitable for making outdoor facilities.
Tradition enamel technology flow process is:
Blanking-punching press-pickling-enamel.
In traditional enamel technology, base substrate requires at 8%H
2sO
4aqueous sulfuric acid the inside pickling, to remove zone of oxidation, still, the hydrogen concentration remaining in acid cleaning process in base substrate can increase, and makes enamel occur that the probability of fish scale burst porcelain increases, and has reduced the work-ing life of enamelware.
The top coat of several air conditioner supports that use on the market at present, has: spray paint; Zinc-plated; Plastic-blasting etc.
Summary of the invention
The present invention has overcome shortcoming of the prior art, a kind of preparation method of enamel air conditioner support is provided, solve the air conditioner support of selling on the market and used the problem of later getting rusty for 1～2 year, and the problem of fish scale burst porcelain easily appears in hot-rolled angle steel enamel, effectively extend the work-ing life that the heat for building such as air conditioner support are pricked angle steel.
In order to solve the problems of the technologies described above, the present invention is achieved by the following technical solutions:
A preparation method for enamel air conditioner support, comprises the following steps:
Step 1: the preparation of Enamel Slip: glaze piece mass ratio is: 22～28% high melting glazes, 34.5～40.5% low temperature glazes and 34.5～40.5% medium temperature glazes, add 0.5～1.5% nickel protoxide that accounts for glaze piece quality, 10～14% calcining quartz sand, 0.5～1.5% barium molybdate, 0.5～1.5% weisspiessglanz, 2～10% Suzhou clays, 0.2～0.8% borax, 0.1～0.5% Sodium Nitrite, last, add and account for glaze piece quality 45%～50% water, grind and within approximately 5～7 hours, become glaze slip;
Step 2: metal body is carried out to anneal, then Shot Blasting is carried out in metal body surface;
Step 3: after vitreous enamel, burn till.
Further, glaze piece mass ratio is: the quick-fried high melting glaze of 25% anti-squama, 37.5% low temperature glaze and 37.5% medium temperature glaze add 0.8% nickel protoxide that accounts for glaze piece quality in glaze piece, 12% calcining quartz sand, 1% barium molybdate, 1% weisspiessglanz, 7% Suzhou clay, 0.5% borax, 0.3% Sodium Nitrite.
Further, in glaze piece, add and account for 45% water of glaze piece quality, be placed in grinding machine ball milling 5 hours.
Further, in annealing furnace, temperature comprises 420～450 degree/1 district-680～730 degree/2 district-760～800 degree/3 districts-high temperature 810～840 degree/4 degree/5th district, district-700～750 successively, metal body at the uniform velocity moves forward with the speed of 1.5～2 ms/min, carries out anneal.
Further, after vitreous enamel, under 820～850 degree, burn till.
Compared with prior art, the invention has the beneficial effects as follows:
Oxidation-resistance of the present invention is strong, weathering resistance is good, and add formula in conjunction with best enamel and mill, prevent burst porcelain better effects if, the zone of oxidation of shot-blast cleaning metal body is silvery white in color surface and is more coarse, be unlikely to again to cause base substrate modification, between enamel layer and metal body, except forming Chemical bond, also increased mechanical bond, make metal body and enamel adherence more firm.
Glaze piece mass ratio: the quick-fried high melting glaze of 25% anti-squama, 37.5% low temperature glaze and 37.5% medium temperature glaze, in glaze piece, add 0.8% nickel protoxide that accounts for glaze piece quality, 12% calcining quartz sand, 1% barium molybdate, 1% weisspiessglanz, 7% Suzhou clay, 0.5% borax, 0.3% Sodium Nitrite, this formula has the advantages such as wear-resisting, anti-corrosion, and between metal body, except forming Chemical bond, also increase mechanical bond, made enamel occur that the probability of fish scale burst porcelain reduces greatly.
Embodiment
The preparation method of enamel air conditioner support of the present invention, comprises the following steps:
Step 1: the preparation of Enamel Slip: glaze piece major ingredient comprises by quality: the quick-fried high melting glaze of 25% anti-squama, 37.5% low temperature glaze and 37.5% medium temperature glaze, above enamel is produced by Hu'nan Lifa Glaze Technologies Co., Ltd..
The mill addition of introducing is:
Account for glaze piece quality nickel protoxide (NiO): 0.8%;
Reach more than 98% calcining quartz sand containing SiO2 purity: 12% (10～14%);
Mu Suan Barium: 1%;
Weisspiessglanz: 1%;
Suzhou clay: 7%;
Borax (Na
2b
4o
7.10H
2o): 0.5%;
Sodium Nitrite (NaNO
2): 0.3%;
Water: 45%.
By said ratio ball milling 5 hours in fast quick mill.Fineness requirement: 3 lattice/12.5CC(Bayer cone detection method); Unit weight: 172 grams/100 milliliters; Adsorptive capacity: 7 grams/10*10 is centimetre two-sided; Soak and ward off technique making.
Through repetition test, above enamel has high, normal, basic three kinds of different softening temperature collocation and adds 0.8% nickel protoxide, has expanded the amplitude of burning till, and easy Exhaust Gas in sintering process, reaches the object that prevents burst porcelain simultaneously.
Step 2: metal body is carried out to anneal,
In mechanical kiln, temperature comprises 420～450 degree/1 district-680～730 degree/2 district-760～800 degree/3 districts-high temperature 810～840 degree/4 degree/5th district, district-700～750 successively, and metal body at the uniform velocity moves forward with the speed of 1.5～2 ms/min, carries out anneal.
Then Shot Blasting is carried out in metal body surface, the effect of ball blast is: remove metal body surface impurity and increase adherence strength.With the steel wire ball below diameter 0.6mm, ball blast technique is taked: in Q378 type shot-blasting machine, hang two-layer 150 bases that amount to, two enter scene 2 (turning around once) each 9 minutes.The zone of oxidation that this technique can be removed metal body is silvery white in color surface and is more coarse, is unlikely to again to cause base substrate modification.
Realize the enamel of heat bundle steel for building by annealing process, ball blast technique and best enamel formula, realize the object of making enamel air conditioner support.
Step 3: after vitreous enamel, burn till under the high temperature of 820～850 degree, also increased mechanical bond between enamel layer and metal body except forming Chemical bond, make enamel adhesive layer more firm.
Enamel air conditioner support can be made into black; Blue; Grey; The green multiple color that waits.
The characteristic of enamelware:
1. chemical stability: enamelware is the same with glasswork, can resist other acidic substance except hydrofluoric acid, imitative outdoor condition, and 96 hours 5% SaltSprayTests, without abnormal, oxidation-resistance is very strong.
2. physical property: Mohs' hardness, between 6～7 grades, exceedes steel (5～6 grades) and is only second to jewel (7～8 grades), and therefore wear resistance is strong.
3. have good insulativity (enamel layer is non-conductive) and flame retardant resistance, because product is to form at the above high-temperature firing of 800 degree, its softening temperature, more than 600 degree, is discharged without any obnoxious flavour under hot conditions.
4. other characteristic: surface aesthetic, easy to clean.
Enamel coating and the comparison of spraying paint:
From above Performance Ratio: weathering resistance is the leading indicator of air conditioner support, varnished all poor with galvanizing coating, there is corrosion in air conditioner support, within 3～4 years, occurs big area corrosion in two years.Air-conditioning is mostly mounted on higher exterior wall, pollute body of wall if any corrosion meeting, also cause great potential safety hazard simultaneously, enamel support can use 20 years and not corrosion, be mounted in the best accessory of outdoor air-conditioning, in order to mate the work-ing life of enamel air conditioner support, connecting screw adopts stainless material.
Long-term exposure of the present invention, in air, can ensure not corrosion in 20 years, solves the air conditioner support of selling on the market and used the problem of later getting rusty for 1～2 year, and be desirable upgraded product.
The present invention is not limited to above-mentioned embodiment, if various changes of the present invention or distortion are not departed to the spirit and scope of the present invention, if within these changes and distortion belong to claim of the present invention and equivalent technologies scope, the present invention is also intended to comprise these changes and distortion.
Claims (5)
1. a preparation method for enamel air conditioner support, is characterized in that: comprise the following steps:
Step 1: the preparation of Enamel Slip: glaze piece mass ratio is: 22～28% high melting glazes, 34.5～40.5% low temperature glazes and 34.5～40.5% medium temperature glazes, add 0.5～1.5% nickel protoxide that accounts for glaze piece quality, 10～14% calcining quartz sand, 0.5～1.5% barium molybdate, 0.5～1.5% weisspiessglanz, 2～10% Suzhou clays, 0.2～0.8% borax, 0.1～0.5% Sodium Nitrite, last, add and account for glaze piece quality 45%～50% water, grind and within 5～7 hours, become glaze slip;
Step 2: metal body is carried out to anneal, then Shot Blasting is carried out in metal body surface;
Step 3: after vitreous enamel, burn till.
2. the preparation method of enamel air conditioner support according to claim 1, it is characterized in that: glaze piece mass ratio is: the quick-fried high melting glaze of 25% anti-squama, 37.5% low temperature glaze and 37.5% medium temperature glaze, in glaze piece, add 0.8% nickel protoxide that accounts for glaze piece quality, 12% calcining quartz sand, 1% barium molybdate, 1% weisspiessglanz, 7% Suzhou clay, 0.5% borax, 0.3% Sodium Nitrite.
3. the preparation method of enamel air conditioner support according to claim 2, is characterized in that: in glaze piece, add 45% water that accounts for glaze piece quality, be placed in grinding machine ball milling 5 hours.
4. the preparation method of enamel air conditioner support according to claim 1, it is characterized in that: in annealing furnace, temperature comprises 420～450 degree/1 district-680～730 degree/2 district-760～800 degree/3 districts-high temperature 810～840 degree/4 degree/5th district, district-700～750 successively, metal body at the uniform velocity moves forward with the speed of 1.5～2 ms/min, carries out anneal.
5. the preparation method of enamel air conditioner support according to claim 1, is characterized in that: after vitreous enamel, under 820～850 degree, burn till.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110311225.5A CN102953060B (en) | 2011-10-13 | 2011-10-13 | Method for preparing enameled air conditioner bracket |
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| CN201110311225.5A CN102953060B (en) | 2011-10-13 | 2011-10-13 | Method for preparing enameled air conditioner bracket |
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| CN102953060A CN102953060A (en) | 2013-03-06 |
| CN102953060B true CN102953060B (en) | 2014-06-25 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103993316B (en) * | 2014-04-25 | 2017-02-15 | 昆山美邦环境科技股份有限公司 | Enamel heat transfer element and enameling method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1096282A (en) * | 1994-01-29 | 1994-12-14 | 邢良坤 | Hongtianmu glaze ceramic and production method |
| CN1336341A (en) * | 2000-07-31 | 2002-02-20 | 山东小鸭电器股份有限公司 | Antibacterial enamel material and its prepn. process |
| CN101429034A (en) * | 2008-12-02 | 2009-05-13 | 山东硅元新型材料有限责任公司 | Process for producing high-surface quality high-class daily fine china |
| CN101823887A (en) * | 2009-03-06 | 2010-09-08 | 五邑大学 | Novel glazed energy-saving firebrick |
| CN102040335A (en) * | 2009-10-21 | 2011-05-04 | 哈尔滨天路搪瓷制品有限责任公司 | Coten base enamel and glazeslip thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6328880A (en) * | 1986-07-21 | 1988-02-06 | Kubota Ltd | Method for lining cast iron pipe |
| JPH0211749A (en) * | 1988-06-28 | 1990-01-16 | Takenaka Komuten Co Ltd | Glass-coated metallic workpiece |
-
2011
- 2011-10-13 CN CN201110311225.5A patent/CN102953060B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1096282A (en) * | 1994-01-29 | 1994-12-14 | 邢良坤 | Hongtianmu glaze ceramic and production method |
| CN1336341A (en) * | 2000-07-31 | 2002-02-20 | 山东小鸭电器股份有限公司 | Antibacterial enamel material and its prepn. process |
| CN101429034A (en) * | 2008-12-02 | 2009-05-13 | 山东硅元新型材料有限责任公司 | Process for producing high-surface quality high-class daily fine china |
| CN101823887A (en) * | 2009-03-06 | 2010-09-08 | 五邑大学 | Novel glazed energy-saving firebrick |
| CN102040335A (en) * | 2009-10-21 | 2011-05-04 | 哈尔滨天路搪瓷制品有限责任公司 | Coten base enamel and glazeslip thereof |
Non-Patent Citations (2)
| Title |
|---|
| JP平2-11749A 1990.01.16 |
| JP昭63-28880A 1988.02.06 |
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