Beryllia-containing aerated concrete block and preparation method therefor
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A technology of concrete block and beryllium oxide, which is applied in the field of building materials, can solve problems such as non-refractory, and achieve the effects of good thermal insulation, high compressive strength and good fire resistance.
Active Publication Date: 2015-04-01
深圳绿景环保再生资源有限公司
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[0003] The object of the present invention is to provide an aerated concrete block containing beryllium oxide and a preparation method thereof, so as to solve the non-refractory problem of the current aerated concrete block
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[0013] A concrete block containing beryllium oxide, characterized by being made of the following parts by weight (kg) of raw materials: cement 22, quicklime 16, gypsum 12, fly ash 25, aluminum powder 0.1, iron sand tailings 30, chlorinated Calcium 12, beryllium oxide 1, sulfamate water reducing agent 5, zinc oxide 3, tributyl phosphate 3, dodecyl betaine 2, sodium persulfate 3, oil feet 3, silane coupling agent KH550 3 Crosslinking agent TAC 3. Sodium tripolyphosphate 6.
[0014] The method for preparing concrete blocks containing beryllium oxide is characterized by comprising the following steps:
[0015] (1) Add fly ash and calcium chloride with appropriate amount of water, heat to 70-80℃, stir for 15-20 minutes, add oil feet and sodium tripolyphosphate, stir for 15-25 minutes, then add sodium persulfate, Silane coupling agent KH550, after stirring for 10-15 minutes, add gypsum, zinc oxide, and cross-linking agent TAC, stir for 15-20 minutes, and stir into mud;
[0016] (2) Add c...
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Abstract
Provided is a beryllia-containing aerated concrete block. The block is composed of the following raw materials comprising, by weight, 22-24 parts of cement, 14-16 parts of quicklime, 12-14 parts of gypsum, 20-25 parts of fly ash, 0.1-0.2 parts of aluminium powder, 30-35 parts of iron sand tailings, 12-15 parts of calcium chloride, 1-2 parts ofberyllia, 3-5 parts of sulfamate water reducing agents, 3-5 parts of zinc oxide, 2-3 parts of tributyl phosphate, 1-2 parts of dodecyl betaine, 3-5 parts of sodium persulfate, 2-3 parts of oil foot, 2-3 parts of silane coupling agent KH5502, 2-3 parts of cross-linking agent TAC and 6-8 parts of sodium tripolyphosphate. The aerated concrete block is advantaged by high compressive strength, light weight, sound insulation, heat insulation, good heat retaining property, good anti-frost property, less contraction and the like. The aerated concrete block overcomes the defects of low strength and easy cracking of traditional aerated concrete blocks. Beryllia in the block is a good refractory material and can be fire-retardant.
Description
Technical field [0001] The invention belongs to a building material technology, and is a concrete block and a preparation method thereof. Background technique [0002] The new wall material aerated concrete is a low-energy, environmentally-friendly new building material. It is a nationally promoted building material. However, because ordinary aerated concrete is made of cement, fly ash, quicklime, gypsum, etc., there is dryness Large shrinkage value, low strength, water seepage, intolerance to corrosion, poor thermal insulation, single source of materials, etc. Therefore, further research on the technology of aerated concrete blocks is urgently needed to further meet the requirements of the market. Summary of the invention [0003] The purpose of the present invention is to provide aerated concrete blocks containing beryllium oxide and a preparation method thereof, so as to solve the problem of non-fire resistance existing in the current aerated concrete blocks. [0004] The techni...
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