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Preparation method of dolomite refractory brick
The invention discloses a preparation method of a dolomite refractory brick and relates to the technical field of refractory material manufacturing. The dolomite refractory brick comprises the following raw materials in parts by weight: 60 to 70 parts of dolomite, 10 to 15 parts of pyrophyllite powder, 20 to 30 parts of magnesia and 8 to 15 parts of paper pulp. The dolomite refractory brick is prepared by the steps of calcining and crushing the dolomite, batching, mixing, preparing blanks, drying and sintering. Compared with the prior art, the dolomite refractory brick prepared by the method does not shrink at high temperature, does not crack under the condition of greatly changed temperature, has high acid and alkali erosion resistance, is insusceptible to acid and alkali erosion so as not to be damaged, and has long service life.
Preparation method of dolomite refractory brick
The invention discloses a preparation method of a dolomite refractory brick and relates to the technical field of refractory material manufacturing. The dolomite refractory brick comprises the following raw materials in parts by weight: 60 to 70 parts of dolomite, 10 to 15 parts of pyrophyllite powder, 20 to 30 parts of magnesia and 8 to 15 parts of paper pulp. The dolomite refractory brick is prepared by the steps of calcining and crushing the dolomite, batching, mixing, preparing blanks, drying and sintering. Compared with the prior art, the dolomite refractory brick prepared by the method does not shrink at high temperature, does not crack under the condition of greatly changed temperature, has high acid and alkali erosion resistance, is insusceptible to acid and alkali erosion so as not to be damaged, and has long service life.
Preparation method of dolomite refractory brick
ZHANG KAIYI (author) / WANG JIALONG (author) / FENG JUAN (author)
2015-09-09
Patent
Electronic Resource
English
IPC:
C04B
Kalk
,
LIME
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