Large-specification ceramic heat accumulator added with short fibers and preparation process of large-specification ceramic heat accumulator
A preparation process and a technology for a heat storage body, which are applied in the field of industrial energy saving and emission reduction equipment, can solve the problems of honeycomb ceramics with low wear resistance, low corrosion resistance, low mechanical strength, and large heat energy waste, so as to improve heat exchange. Efficiency, good corrosion resistance and resource saving effect
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Embodiment 1
[0035] The large-scale ceramic regenerator produced has a square cross-section; its preparation process is: (1) dry mixing, firstly add the inorganic powder into the ball mill, dry mix for 4 hours, pass through a 100-mesh sieve, and the inorganic powder is made of the following weight Proportioned components: 30 parts by weight of mullite, 12 parts by weight of kaolin, 20 parts by weight of silicon carbide, 5 parts by weight of short glass fiber, 10 parts by weight of short aluminum silicate fiber, 5 parts by weight of calcium sulfate whisker, α -Al 2 o 38 parts by weight of fine powder, 1.0 parts by weight of boron nitride, and 0.4 parts of beryllium oxide; Polyethylene oxide 1 weight part, (polyethylene glycol 400) 2 weight parts; (3) kneading, add water and lubricating oil while stirring in the kneader, when kneading, after adding 400kg material, divide into 5 times while stirring Add water, continue to stir for 5 minutes after adding water and add tung oil at one time, s...
Embodiment 2
[0038] The large-scale ceramic regenerator produced has a square cross-section. The preparation process is as follows: (1) Dry mixing. First, add the inorganic powder into the ball mill, dry mix for 6 hours, and pass through a 80-mesh sieve. The inorganic powder is made of the following weights: Proportioned components: 35 parts by weight of mullite, 13 parts by weight of kaolin, 25 parts by weight of silicon carbide, 6 parts by weight of short glass fiber, 12 parts by weight of short aluminum silicate fiber, 7 parts by weight of calcium sulfate whisker, α -Al 2 o 3 9 parts by weight of fine powder, 1.5 parts by weight of boron nitride, and 0.5 parts of beryllium oxide; 2 parts by weight of polyethylene oxide, 3 parts by weight of polypropylene glycol; (3) kneading, add water and lubricating oil while stirring in the kneader, when kneading, after adding 400kg of material, add water in 3 times while stirring, water is added Continue to stir for 2 minutes and add tung oil twic...
Embodiment 3
[0041] The large-scale ceramic regenerator produced has a rectangular cross-section. The preparation process is as follows: (1) Dry mixing. First, add the inorganic powder into the ball mill, then add the required powder into the ball mill, dry mix for 3 hours, and pass through 80 meshes. The sieve, the inorganic powder is composed of the following components by weight: 38 parts by weight of mullite, 13 parts by weight of kaolin, 25 parts by weight of silicon carbide, 8 parts by weight of short glass fiber, 14 parts by weight of aluminum silicate short fiber, Calcium sulfate whiskers 8 parts by weight, α-Al 2 o 3 9 parts by weight of fine powder, 2.0 parts by weight of boron nitride, and 0.5 parts of beryllium oxide; (2) adding additives, the additive components are 1 part by weight of methyl cellulose, 2 parts by weight of hydroxyethyl cellulose, and 2 parts by weight of cyanoethyl cellulose 2 parts by weight of polyvinyl alcohol, 1 part by weight of polyethylene oxide, and ...
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