Interface mortar for autoclaved aerated concrete

A technology of interface mortar and autoclaved gas filling, which is applied in the direction of climate sustainability, sustainable waste treatment, solid waste management, etc., can solve the problems of occupying agricultural land, environmental pollution, and prone to collapse accidents, and avoid damage , cost reduction effect

Inactive Publication Date: 2013-05-15
SHAOXING YISHENG MORTAR
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Problems solved by technology

Tailings are industrial solid wastes after mine mining. According to relevant data, a large number of stacked tailings not only cause serious pollution to air, water and soil, but also occupy a large amount of agricultural land, especially if the tailings ponds are poorly managed and designed. , prone to collapse accidents, causing casualties, property losses and large-scale environmental pollution

Method used

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  • Interface mortar for autoclaved aerated concrete
  • Interface mortar for autoclaved aerated concrete

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Embodiment Construction

[0014] The hydroxypropyl methylcellulose ether of the present invention is 200000S sold by Zhejiang Kehong Chemical Co., Ltd., which has a good water retention and thickening effect and can significantly improve the construction performance of the interface mortar for autoclaved aerated concrete; the polyethylene Alcohol is produced by Shanghai Jinshan Petrochemical, specification 24-88; the redispersible latex powder is Wacker 5010N. The cement used in the present invention is P.O42.5R ordinary portland cement, and the selected yellow sand among the present invention is natural river sand, and its mud content is 0.9%, and fineness modulus is 1.5, and apparent density is 2540kg / m3. The tailing iron ore sand of the present invention is the waste residue produced by Zhejiang Litie Group Co., Ltd. in the mining and mineral processing process, and its main components are quartzite, diabase and granite. According to detection and analysis, the main component content is: TFe 8.12 %...

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Abstract

The invention discloses interface mortar for autoclaved aerated concrete. The interface mortar consists of the following components in percentage by mass: 42% of cement, 28.1-44.96% of yellow sand, 11.24-28.1% of tailing iron sand, and 1.8% of additive. With the adoption of the interface mortar for autoclaved aerated concrete disclosed by the invention, the tailing iron sand replaces a part of yellow sand as aggregate to prepare the interface mortar for autoclaved aerated concrete under the premise of ensuring the same property of the interface mortar for the autoclaved aerated concrete, thus not only the stacking problem of the tailing iron sand is solved, but also the cost of the interface mortar for the autoclaved aerated concrete is reduced; and meanwhile, the environment damage caused by the tailing iron sand is avoided as well.

Description

technical field [0001] The invention relates to dry-mixed mortar, in particular to an interface mortar for autoclaved aerated concrete. Background technique [0002] The existing dry-mixed mortar needs to be mixed with a large amount of natural sand. However, the natural sand resource is a non-renewable resource in a short period of time. In many areas of my country, the natural sand resource is nearly exhausted and its quality is declining. In addition, for the consideration of flood control and ecological balance, the country has expressly banned the mining of natural sand in some river sections, making natural sand resources increasingly scarce. With the increasing development of infrastructure construction, the demand for natural sand resources is increasing day by day. [0003] Contrary to the increasing shortage of natural sand resources, there are currently more than 8,000 state-owned mines and collective mines in my country, which produce up to 500 million tons of t...

Claims

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Application Information

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IPC IPC(8): C04B28/04C04B18/12
CPCY02W30/91
Inventor 方伟烽王荣东祝张法毛裕均余航斌叶生峰
Owner SHAOXING YISHENG MORTAR
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