High strength ultralight ceramsite propping agent, and preparation method and applications thereof
An ultra-light pottery and proppant technology, which is applied in chemical instruments and methods, earthwork drilling, and fluid production, etc., can solve problems such as weak pressure bearing capacity, avoid agglomeration, improve furnace temperature uniformity, and high thermal efficiency. Effect
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Embodiment 1
[0025] First mix 275g low-grade bauxite, 50g sodium silicate, 100g silicon powder, 50g manganese oxide, granulate, heat plasma shaping, tunnel kiln high temperature sintering at 850°C for 3h, and then get ultra-light ceramsite proppant after screening . The apparent density of ultra-light ceramsite proppant is 1.08g / cm 3 , The compressive strength is 81MPa.
Embodiment 2
[0027] First, 350g low-grade bauxite, 50g sodium silicate, 75g silicon powder, 50g nano-silica, 25g manganese carbonate are mixed uniformly, granulated, hot plasma shaped, tunnel kiln high-temperature sintering at 1100 degrees for 2h, and it is obtained after screening Ultra-light ceramsite proppant. The apparent density of the ultra-light ceramsite proppant is 1.74g / cm3, and the compressive strength is 104MPa.
Embodiment 3
[0029] First, 300g low-grade bauxite, 25g sodium silicate, 50g silicon powder, 25g nano-silica, 7.5g manganese hydroxide are mixed uniformly, granulated, hot plasma shaped, tunnel kiln high temperature sintering at 1050 degrees for 3h, after screening Get ultra-light ceramsite proppant. The apparent density of ultra-light ceramsite proppant is 1.54g / cm 3 , The compressive strength is 95MPa.
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