A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Sandstone acoustic board used in transformer substation
The invention relates to a sandstone acoustic board used in a transformer substation. The main body of the sandstone acoustic board comprises natural clean sand and a mixed layer, wherein the natural clean is wrapped with the mixed layer; the mixed layer comprises an inorganic silicon based solvent and a foaming agent and plays a bonding role; and irregular micro pores communicated with one another are formed in the main body. A manufacturing method of the sandstone acoustic board comprises the following steps: 1, selecting the natural clean sand, and screening out impurities from the natural clean sand; 2, selecting the inorganic silicon based solvent and the foaming agent; 3, mixing the inorganic silicon based solvent, the foaming agent and the natural sand; 4, pouring the mixture of the inorganic silicon based solvent, the foaming agent and the natural sand into a mould, performing shaking to flatten the mixture in the mould to form the board; 5, curing the board with spray water at 15-35DEG C for not less than 7 days; and 6, demoulding when the sandstone board is strong enough so that the sandstone board loses no edge and corner during moving. According to the sandstone acoustic board and the manufacturing method thereof, since traditional fiber extrusion solidification is changed into natural sand gravel aggregation arrangement, the acoustic absorption coefficient of the sandstone acoustic board is high at a low frequency below 500Hz, and the sandstone acoustic board is especially suitable to use in the transformer substation.
Sandstone acoustic board used in transformer substation
The invention relates to a sandstone acoustic board used in a transformer substation. The main body of the sandstone acoustic board comprises natural clean sand and a mixed layer, wherein the natural clean is wrapped with the mixed layer; the mixed layer comprises an inorganic silicon based solvent and a foaming agent and plays a bonding role; and irregular micro pores communicated with one another are formed in the main body. A manufacturing method of the sandstone acoustic board comprises the following steps: 1, selecting the natural clean sand, and screening out impurities from the natural clean sand; 2, selecting the inorganic silicon based solvent and the foaming agent; 3, mixing the inorganic silicon based solvent, the foaming agent and the natural sand; 4, pouring the mixture of the inorganic silicon based solvent, the foaming agent and the natural sand into a mould, performing shaking to flatten the mixture in the mould to form the board; 5, curing the board with spray water at 15-35DEG C for not less than 7 days; and 6, demoulding when the sandstone board is strong enough so that the sandstone board loses no edge and corner during moving. According to the sandstone acoustic board and the manufacturing method thereof, since traditional fiber extrusion solidification is changed into natural sand gravel aggregation arrangement, the acoustic absorption coefficient of the sandstone acoustic board is high at a low frequency below 500Hz, and the sandstone acoustic board is especially suitable to use in the transformer substation.
Sandstone acoustic board used in transformer substation
LI YONGGUI (author) / QI JIANZHAO (author) / ZHANG GUOHUA (author) / SUN YILIANG (author) / WANG TAO (author) / KANG WEI (author) / SHEN YONGPENG (author) / SHAO HUA (author)
2015-06-10
Patent
Electronic Resource
English
IPC:
C04B
Kalk
,
LIME
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