High temperature resistant material for internal conveying tube of thermal power conveying pipeline and preparation method of high temperature resistant material
A transmission pipeline and high temperature resistance technology, which is applied in the field of material preparation of thermal transmission pipelines, can solve the problems of poor heat resistance and easy aging, and achieve the effect of long service life, not easy to aging, and increased service life
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[0031] Preferably, the present invention also discloses a method for preparing the above-mentioned heat-resistant material for the inner conveying pipe of the thermal conveying pipe. The specific steps are as follows:
[0032] (1) Mix magnesium oxide, lead oxide, aluminum hydroxide, rare earth oxide, and titanium carbide together, and then calcinate in a high-temperature furnace after the mixture is uniform;
[0033] (2) After calcination, cool to room temperature, take it out, put it into a ball mill for grinding, and prepare powder;
[0034] (3) Mix polyurethane resin, epoxy resin, antioxidant 4010NA, curing agent, and antioxidant together, then add the powder prepared in step (2), using a magnetic stirrer, at 40-50℃, 40- Stir for 4-6 hours under the condition of 60r / min;
[0035] (4) After filtering out the impurities, transfer to an oven and dry for 20-40 hours at 60-100°C to prepare granular materials;
[0036] (5) The granular material is sized, hauled, and cooled by a molding ma...
Example Embodiment
[0038] Example 1
[0039] The invention discloses a high temperature resistant material for the inner conveying pipe of a thermal conveying pipeline, which is prepared by weight parts from the following components: 10 parts of polyurethane resin, 16 parts of epoxy resin, 6 parts of magnesium oxide, and 2 parts of lead oxide , 3 parts of aluminum hydroxide, 5 parts of antioxidant 4010NA, 1 part of curing agent, 1 part of antioxidant, 6 parts of rare earth oxide, 2 parts of titanium carbide.
[0040] The antioxidant is p-phenylenediamine.
[0041] The curing agent uses boron trifluoride.
[0042] The rare earth oxide uses praseodymium oxide.
[0043] The invention also discloses a preparation method of the high temperature resistant material for the inner conveying pipe of the thermal conveying pipe. The specific steps are as follows:
[0044] (1) Mix magnesium oxide, lead oxide, aluminum hydroxide, rare earth oxides, and titanium carbide together, and then calcinate in a high-temperature...
Example Embodiment
[0050] Example 2
[0051] The invention discloses a high temperature resistant material for the inner conveying pipe of a thermal conveying pipeline, which is prepared by weight parts from the following components: 14 parts of polyurethane resin, 12 parts of epoxy resin, 4 parts of magnesium oxide, and 3 parts of lead oxide , 5 parts of aluminum hydroxide, 3 parts of antioxidant 4010NA, 3 parts of curing agent, 3 parts of antioxidant, 4 parts of rare earth oxide, 4 parts of titanium carbide.
[0052] The antioxidant uses ditetradecyl alcohol ester.
[0053] The curing agent adopts triethylenetetramine.
[0054] The rare earth oxide uses rubidium oxide.
[0055] The invention also discloses a preparation method of the high temperature resistant material for the inner conveying pipe of the thermal conveying pipe. The specific steps are as follows:
[0056] (1) Mix magnesium oxide, lead oxide, aluminum hydroxide, rare earth oxides, and titanium carbide together, and then calcinate in a hig...
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