Highly regenerative fireproof ball
A refractory ball and heat storage technology, applied in brick blast furnaces and other directions, can solve problems such as affecting heat storage performance, serious slagging, blocking air ducts, etc. blocking effect
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[0013] The present invention will be described in detail below in conjunction with an embodiment.
[0014] Al 2 o 3 ≥70% high-alumina bauxite, crushed into particles with a particle size of 2-4mm, weighed 60 grams as aggregate, and then selected Al 2 o 3 ≥85% bauxite, rolled into a fine powder with a particle size of 300 mesh, weighed 30 grams as filler and weighed Al-containing 2 o 3 10 grams of ≥36% white wool clay is used as a high-temperature binder, and then the three are mixed together, and 3 grams of pulp binder with a concentration ratio of 1.25 are added, mixed with the above raw materials, and filled into the mold by 24 tons of pressure. The machine is used for pressure molding, and after molding, it is roasted at a high temperature of 1450°C to obtain the finished product.
[0015] The test results of the high heat storage refractory ball of the present invention are as follows: the density increases from 2.3 g / cm3 to 2.6 g / cm3, the strength increases from 12,0...
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