Cement grinding aid and preparation method thereof
A cement grinding aid and catalyst technology, applied in the field of building materials, can solve problems such as high cost and achieve the effects of small energy consumption, short reaction time and low preparation cost
Active Publication Date: 2014-05-07
ZHEJIANG TONGXIANG ZHONGSEN CEMENT GRINDING TECH
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Problems solved by technology
No matter what kind it is, it needs a higher cost, and the demand for cement grinding aids increases with the increase in cement production. Therefore, how to reduce the cost of cement grinding aids is an urgent problem to be solved.
Method used
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Embodiment 1
[0017] 36 parts of industrial waste liquid, including 6 parts of waste acid, 28 parts of printing and dyeing wastewater and 2 parts of other industrial wastewater; 3 parts of alcohol amine compounds; 1 part of polymerized polyol; 9 parts of waste sugar residue; 15 parts of catalyst.
Embodiment 2
[0019] 45 parts of industrial waste liquid, including 8 parts of waste acid, 35 parts of printing and dyeing wastewater and 2 parts of other industrial wastewater; 8 parts of alcohol amine compounds; 4 parts of polymerized polyol; 24 parts of waste sugar residue; 20 parts of catalyst.
Embodiment 3
[0021] 38 parts of industrial waste liquid, including 7 parts of waste acid, 28 parts of printing and dyeing wastewater and 3 parts of other industrial wastewater; 4 parts of alcohol amine compounds; 3 parts of polymerized polyol; 15 parts of waste sugar residue; 25 parts of catalyst.
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The invention relates to the technical field of building materials and in particular relates to a cement grinding aid and a preparation method thereof. The cement grinding aid consists of the following components in percentage by mass: 36-45 percent of industrial waste liquid, 3-8 percent of an alcamines compound, 1-4 percent of polymeric polylol, 9-24 parts of waste sugar slag and 15-40 parts of a catalyst. The industrial waste liquid and the waste sugar slag which are low in cost and are in urgent need of treatment are used for replacing the conventional raw materials, so that the cost is greatly reduced; furthermore, the waste liquid and the waste slag which are produced during industrial production can be simultaneously avoided; the cement grinding aid is environment-friendly.
Description
Technical field: [0001] The invention relates to the technical field of building materials, in particular to a cement grinding aid and a preparation method thereof. Background technique: [0002] The cement production process is referred to as "two grinding and one burning", namely raw material grinding, kiln calcination and cement grinding. Among them, cement grinding is the process link with the highest energy consumption in the cement production process, accounting for 60% of the power consumption of the entire production process. %-70%. During the cement grinding process, nearly 95% of the energy disappears as heat dissipation. When the cement fineness reaches a certain level, the efficiency of cement powder selection decreases due to the agglomeration of fine particles, which leads to the deterioration of the grinding condition and the powder The grinding efficiency dropped sharply. In order to improve the grinding situation, one method is to add cement grinding aids ...
Claims
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Login to View More IPC IPC(8): C04B24/38C04B103/52
Inventor 陈金泉
Owner ZHEJIANG TONGXIANG ZHONGSEN CEMENT GRINDING TECH