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Polybasic compound flue gas desulfurization gypsum lightweight mortar and preparation method thereof

A technology of desulfurized gypsum and lightweight sand, which is applied in the field of building material mortar, which can solve the problems of ecological environment pollution, high processing cost, and high energy consumption, and achieve the effects of simple preparation process, good product strength, and good construction performance

Inactive Publication Date: 2018-06-22
南京益夫新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] At present, the deep processing technology of desulfurized gypsum products is immature, lack of technical standards, high processing cost, high energy consumption and other factors, resulting in the ineffective utilization of desulfurized gypsum
A large amount of desulfurized gypsum is stacked and landfilled, which not only pollutes the ecological environment, but also invisibly increases production costs

Method used

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  • Polybasic compound flue gas desulfurization gypsum lightweight mortar and preparation method thereof
  • Polybasic compound flue gas desulfurization gypsum lightweight mortar and preparation method thereof
  • Polybasic compound flue gas desulfurization gypsum lightweight mortar and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0025] Weigh the following raw materials by weight:

[0026] 44 parts of desulfurized gypsum, 11 parts of vitrified microbeads, 44 parts of Shuangfei powder, 0.3 parts of high-efficiency retarder, 0.25 parts of cellulose ether and 70 parts of water were mixed and stirred evenly to prepare a new lightweight gypsum mortar material.

Embodiment 2

[0028] Weigh the following raw materials by weight:

[0029] 45 parts of desulfurized gypsum, 9 parts of vitrified microbeads, 45 parts of Shuangfei powder, 0.4 parts of high-efficiency retarder, 0.30 parts of cellulose ether, and 68 parts of water were mixed and stirred evenly to prepare a new lightweight gypsum mortar material.

Embodiment 3

[0031] Weigh the following raw materials by weight:

[0032] 46 parts of desulfurized gypsum, 7 parts of vitrified microbeads, 46 parts of Shuangfei powder, 0.3 parts of high-efficiency retarder, 0.25 parts of cellulose ether and 70 parts of water were mixed and stirred evenly to prepare a new lightweight gypsum mortar material.

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Abstract

The invention relates to the technical field of building material mortar, in particular to a novel lightweight gypsum mortar material. The material is prepared from, by weight, 44-48 parts of flue gasdesulfurization gypsum, 4-11 parts of glass bead, 44-48 parts of heavy calcium carbonate, 0.2-0.5 part of retarder, 0.20-0.30 part of cellulose ether and 58-70 parts of water. The polybasic compoundflue gas desulfurization gypsum lightweight mortar utilizes solid waste of the flue gas desulfurization gypsum, the production cost is effectively reduced, and the environmental pollution is reduced;the heavy calcium carbonate is cheap and easy to obtain, and the cost is effectively reduced; based on ensuring the material strength, the glass bead effectively reduces the material unit weight, andthe unification between the environmental benefit and the economic benefit is achieved.

Description

technical field [0001] The invention relates to the technical field of building material mortar, in particular to a novel lightweight gypsum mortar material. Background technique [0002] Environmental pollution and energy consumption are major problems facing the world today. Environment and energy have become important factors restricting economic development. It is also a major issue that scientists from all over the world need to solve urgently. [0003] In order to protect the human environment and reduce the sulfur dioxide content in the air, thermal power plants adopt flue gas desulfurization technical measures, which produce a large amount of flue gas desulfurization gypsum. Its main component is calcium sulfate dihydrate, and its content is generally above 85%. There are about 8 million tons of flue gas desulfurization gypsum output in my country every year, and the output is very huge. [0004] At present, the deep processing technology of desulfurized gypsum p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/14C04B111/40
CPCC04B28/144C04B2111/40C04B2201/20C04B14/26C04B18/027C04B24/383C04B2103/22
Inventor 冯建林刘小全张楼
Owner 南京益夫新材料科技有限公司
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