Outdoor electric billboard
A billboard and electric power technology, applied in the field of outdoor electric billboards, can solve problems such as insufficient strength and rigidity, easy aging service life, and high price of aluminum plate bottom plates, and achieves simple and easy preparation methods, high bending and compressive strength, The production process is simple and easy to operate
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Embodiment 1
[0021] An electric billboard for outdoor use, which includes a bottom plate, and the bottom plate is prepared according to the following process:
[0022] Step 1) weighing raw materials, step 2) preparing mixture 1, step 3) preparing mixture 2, step 4) preparing mixture 3, step 5) spraying granulation, and step 6) compacting and sintering.
[0023] Specifically, the bottom plate is prepared according to the following process:
[0024] Step 1) Weigh raw materials: Weigh 1 part of strontium oxide, 1 part of barium oxide, 1 part of boron oxide, 2 parts of potassium oxide, 2 parts of molybdenum disulfide, 2 parts of sodium alginate, 3 parts of white graphite, poly 4 parts of vinyl alcohol, 4 parts of hydroxyethyl cellulose, 5 parts of kaolin, 5 parts of glass fiber, 15 parts of water, 20 parts of quartz sand, 20 parts of silicon nitride, 25 parts of sepiolite, 30 parts of alumina, silicon carbide 100 copies;
[0025] Step 2) Preparation of mixture 1: Add white graphite, polyviny...
Embodiment 2
[0032] An electric billboard for outdoor use, which includes a bottom plate, and the bottom plate is prepared according to the following process:
[0033] Step 1) weighing raw materials, step 2) preparing mixture 1, step 3) preparing mixture 2, step 4) preparing mixture 3, step 5) spraying granulation, and step 6) compacting and sintering.
[0034] Specifically, the bottom plate is prepared according to the following process:
[0035] Step 1) Weigh raw materials: Weigh 2 parts of strontium oxide, 2 parts of barium oxide, 2 parts of boron oxide, 3 parts of potassium oxide, 3 parts of molybdenum disulfide, 3 parts of sodium alginate, 5 parts of white graphite, poly 7 parts of vinyl alcohol, 7 parts of hydroxyethyl cellulose, 9 parts of kaolin, 9 parts of glass fiber, 22 parts of water, 30 parts of quartz sand, 30 parts of silicon nitride, 35 parts of sepiolite, 50 parts of alumina, silicon carbide 150 copies;
[0036] Step 2) Preparation of mixture 1: Add white graphite, polyv...
Embodiment 3
[0043] The performance test of ceramic bottom plate of the present invention:
[0044] Water absorption is measured according to GB / T 3299-2011 "Method for Determination of Water Absorption of Ceramics for Daily Use", acid resistance and alkali resistance are measured according to JC / T 2138-2012 "Test Method for Acid and Alkali Corrosion Resistance of Fine Ceramics", bulk density Measured according to Archima's principle. Compressive strength, compressive strength and hardness according to GB / T 4740-1999. The specific test results are shown in Table 1:
[0045] Table 1
[0046] performance Bending strength MPa Compressive strength MPa Knoop Hardness Kg / mm 2 Acid resistance% Alkali resistance% Example 1 91.3 727.8 2137 98.6 99.5 Example 2 92.6 734.1 2026 98.8 99.7
[0047] Conclusion: The ceramic bottom plate prepared by the invention has high flexural and compressive strength, high hardness, acid and alkali corrosion resistance, c...
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Abstract
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